diff --git a/.github/actions/release-initialise/action.yml b/.github/actions/release-initialise/action.yml
index b3eda48f6..057d5a5b6 100644
--- a/.github/actions/release-initialise/action.yml
+++ b/.github/actions/release-initialise/action.yml
@@ -16,13 +16,13 @@ runs:
       shell: bash
 
     - name: Set up Node
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: 24
         cache: 'npm'
 
     - name: Set up Python
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
       with:
         python-version: '3.12'
 
diff --git a/.github/workflows/__all-platform-bundle.yml b/.github/workflows/__all-platform-bundle.yml
index 1be1d6375..648679b7b 100644
--- a/.github/workflows/__all-platform-bundle.yml
+++ b/.github/workflows/__all-platform-bundle.yml
@@ -74,13 +74,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__analysis-kinds.yml b/.github/workflows/__analysis-kinds.yml
index 1e43775ff..504c1fcc6 100644
--- a/.github/workflows/__analysis-kinds.yml
+++ b/.github/workflows/__analysis-kinds.yml
@@ -72,7 +72,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -92,7 +92,7 @@ jobs:
           post-processed-sarif-path: '${{ runner.temp }}/post-processed'
 
       - name: Upload SARIF files
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: |
             analysis-kinds-${{ matrix.os }}-${{ matrix.version }}-${{ matrix.analysis-kinds }}
@@ -100,7 +100,7 @@ jobs:
           retention-days: 7
 
       - name: Upload post-processed SARIF
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: |
             post-processed-${{ matrix.os }}-${{ matrix.version }}-${{ matrix.analysis-kinds }}
@@ -110,7 +110,7 @@ jobs:
 
       - name: Check quality query does not appear in security SARIF
         if: contains(matrix.analysis-kinds, 'code-scanning')
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         env:
           SARIF_PATH: '${{ runner.temp }}/results/javascript.sarif'
           EXPECT_PRESENT: 'false'
@@ -118,7 +118,7 @@ jobs:
           script: ${{ env.CHECK_SCRIPT }}
       - name: Check quality query appears in quality SARIF
         if: contains(matrix.analysis-kinds, 'code-quality')
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         env:
           SARIF_PATH: '${{ runner.temp }}/results/javascript.quality.sarif'
           EXPECT_PRESENT: 'true'
diff --git a/.github/workflows/__analyze-ref-input.yml b/.github/workflows/__analyze-ref-input.yml
index 9ad6c3ec7..5f4bb4d04 100644
--- a/.github/workflows/__analyze-ref-input.yml
+++ b/.github/workflows/__analyze-ref-input.yml
@@ -70,13 +70,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__autobuild-action.yml b/.github/workflows/__autobuild-action.yml
index 7521614f2..f8cd1275d 100644
--- a/.github/workflows/__autobuild-action.yml
+++ b/.github/workflows/__autobuild-action.yml
@@ -64,9 +64,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Prepare test
diff --git a/.github/workflows/__autobuild-direct-tracing-with-working-dir.yml b/.github/workflows/__autobuild-direct-tracing-with-working-dir.yml
index 8acd90253..d0a4e7d78 100644
--- a/.github/workflows/__autobuild-direct-tracing-with-working-dir.yml
+++ b/.github/workflows/__autobuild-direct-tracing-with-working-dir.yml
@@ -66,9 +66,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install Java
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
           java-version: ${{ inputs.java-version || '17' }}
           distribution: temurin
diff --git a/.github/workflows/__autobuild-working-dir.yml b/.github/workflows/__autobuild-working-dir.yml
index c9fb1e9e9..f9718baf7 100644
--- a/.github/workflows/__autobuild-working-dir.yml
+++ b/.github/workflows/__autobuild-working-dir.yml
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__build-mode-autobuild.yml b/.github/workflows/__build-mode-autobuild.yml
index 7619d4593..f22f642e6 100644
--- a/.github/workflows/__build-mode-autobuild.yml
+++ b/.github/workflows/__build-mode-autobuild.yml
@@ -66,9 +66,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install Java
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
           java-version: ${{ inputs.java-version || '17' }}
           distribution: temurin
diff --git a/.github/workflows/__build-mode-manual.yml b/.github/workflows/__build-mode-manual.yml
index 93010fe63..515e28223 100644
--- a/.github/workflows/__build-mode-manual.yml
+++ b/.github/workflows/__build-mode-manual.yml
@@ -70,13 +70,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__build-mode-none.yml b/.github/workflows/__build-mode-none.yml
index 5611d2381..4aff83588 100644
--- a/.github/workflows/__build-mode-none.yml
+++ b/.github/workflows/__build-mode-none.yml
@@ -52,7 +52,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__build-mode-rollback.yml b/.github/workflows/__build-mode-rollback.yml
index b4dd4041b..f7c4d090e 100644
--- a/.github/workflows/__build-mode-rollback.yml
+++ b/.github/workflows/__build-mode-rollback.yml
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__bundle-from-nightly.yml b/.github/workflows/__bundle-from-nightly.yml
index a7dc934a0..549969645 100644
--- a/.github/workflows/__bundle-from-nightly.yml
+++ b/.github/workflows/__bundle-from-nightly.yml
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__bundle-from-toolcache.yml b/.github/workflows/__bundle-from-toolcache.yml
index 4c7f21a32..389981985 100644
--- a/.github/workflows/__bundle-from-toolcache.yml
+++ b/.github/workflows/__bundle-from-toolcache.yml
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -62,7 +62,7 @@ jobs:
         run: npm install @actions/tool-cache@3
       - name: Check toolcache contains CodeQL
         continue-on-error: true
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const toolcache = require('@actions/tool-cache');
@@ -75,7 +75,7 @@ jobs:
         with:
           tools: ${{ steps.prepare-test.outputs.tools-url }}
       - name: Check CodeQL is installed within the toolcache
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const toolcache = require('@actions/tool-cache');
diff --git a/.github/workflows/__bundle-toolcache.yml b/.github/workflows/__bundle-toolcache.yml
index 760647587..7e83829d6 100644
--- a/.github/workflows/__bundle-toolcache.yml
+++ b/.github/workflows/__bundle-toolcache.yml
@@ -54,7 +54,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -63,7 +63,7 @@ jobs:
           use-all-platform-bundle: 'false'
           setup-kotlin: 'true'
       - name: Remove CodeQL from toolcache
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const fs = require('fs');
@@ -73,7 +73,7 @@ jobs:
       - name: Install @actions/tool-cache
         run: npm install @actions/tool-cache@3
       - name: Check toolcache does not contain CodeQL
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const toolcache = require('@actions/tool-cache');
@@ -92,7 +92,7 @@ jobs:
           output: ${{ runner.temp }}/results
           upload-database: false
       - name: Check CodeQL is installed within the toolcache
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const toolcache = require('@actions/tool-cache');
diff --git a/.github/workflows/__bundle-zstd.yml b/.github/workflows/__bundle-zstd.yml
index 85e069526..45cf73a0e 100644
--- a/.github/workflows/__bundle-zstd.yml
+++ b/.github/workflows/__bundle-zstd.yml
@@ -54,7 +54,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -63,7 +63,7 @@ jobs:
           use-all-platform-bundle: 'false'
           setup-kotlin: 'true'
       - name: Remove CodeQL from toolcache
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const fs = require('fs');
@@ -82,13 +82,13 @@ jobs:
           output: ${{ runner.temp }}/results
           upload-database: false
       - name: Upload SARIF
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: ${{ matrix.os }}-zstd-bundle.sarif
           path: ${{ runner.temp }}/results/javascript.sarif
           retention-days: 7
       - name: Check diagnostic with expected tools URL appears in SARIF
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         env:
           SARIF_PATH: ${{ runner.temp }}/results/javascript.sarif
         with:
diff --git a/.github/workflows/__cleanup-db-cluster-dir.yml b/.github/workflows/__cleanup-db-cluster-dir.yml
index cc41fea77..249a1f81b 100644
--- a/.github/workflows/__cleanup-db-cluster-dir.yml
+++ b/.github/workflows/__cleanup-db-cluster-dir.yml
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__config-export.yml b/.github/workflows/__config-export.yml
index 24549dd18..e359764bd 100644
--- a/.github/workflows/__config-export.yml
+++ b/.github/workflows/__config-export.yml
@@ -52,7 +52,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -70,13 +70,13 @@ jobs:
           output: '${{ runner.temp }}/results'
           upload-database: false
       - name: Upload SARIF
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: config-export-${{ matrix.os }}-${{ matrix.version }}.sarif.json
           path: '${{ runner.temp }}/results/javascript.sarif'
           retention-days: 7
       - name: Check config properties appear in SARIF
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         env:
           SARIF_PATH: '${{ runner.temp }}/results/javascript.sarif'
         with:
diff --git a/.github/workflows/__config-input.yml b/.github/workflows/__config-input.yml
index a2e4dba2c..2a82e9aa5 100644
--- a/.github/workflows/__config-input.yml
+++ b/.github/workflows/__config-input.yml
@@ -50,9 +50,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 20.x
           cache: npm
diff --git a/.github/workflows/__cpp-deptrace-disabled.yml b/.github/workflows/__cpp-deptrace-disabled.yml
index c73161cd8..9e4428519 100644
--- a/.github/workflows/__cpp-deptrace-disabled.yml
+++ b/.github/workflows/__cpp-deptrace-disabled.yml
@@ -54,7 +54,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__cpp-deptrace-enabled-on-macos.yml b/.github/workflows/__cpp-deptrace-enabled-on-macos.yml
index d2cce4936..825d4acd9 100644
--- a/.github/workflows/__cpp-deptrace-enabled-on-macos.yml
+++ b/.github/workflows/__cpp-deptrace-enabled-on-macos.yml
@@ -52,7 +52,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__cpp-deptrace-enabled.yml b/.github/workflows/__cpp-deptrace-enabled.yml
index 0539d4ce6..c4ac54f3d 100644
--- a/.github/workflows/__cpp-deptrace-enabled.yml
+++ b/.github/workflows/__cpp-deptrace-enabled.yml
@@ -54,7 +54,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__diagnostics-export.yml b/.github/workflows/__diagnostics-export.yml
index bdf6b0aee..418517a15 100644
--- a/.github/workflows/__diagnostics-export.yml
+++ b/.github/workflows/__diagnostics-export.yml
@@ -52,7 +52,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -81,13 +81,13 @@ jobs:
           output: '${{ runner.temp }}/results'
           upload-database: false
       - name: Upload SARIF
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: diagnostics-export-${{ matrix.os }}-${{ matrix.version }}.sarif.json
           path: '${{ runner.temp }}/results/javascript.sarif'
           retention-days: 7
       - name: Check diagnostics appear in SARIF
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         env:
           SARIF_PATH: '${{ runner.temp }}/results/javascript.sarif'
         with:
diff --git a/.github/workflows/__export-file-baseline-information.yml b/.github/workflows/__export-file-baseline-information.yml
index 359461007..18fcfafe0 100644
--- a/.github/workflows/__export-file-baseline-information.yml
+++ b/.github/workflows/__export-file-baseline-information.yml
@@ -74,13 +74,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
@@ -102,7 +102,7 @@ jobs:
         with:
           output: '${{ runner.temp }}/results'
       - name: Upload SARIF
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: with-baseline-information-${{ matrix.os }}-${{ matrix.version }}.sarif.json
           path: '${{ runner.temp }}/results/javascript.sarif'
diff --git a/.github/workflows/__extractor-ram-threads.yml b/.github/workflows/__extractor-ram-threads.yml
index eee08de58..a647124bc 100644
--- a/.github/workflows/__extractor-ram-threads.yml
+++ b/.github/workflows/__extractor-ram-threads.yml
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__global-proxy.yml b/.github/workflows/__global-proxy.yml
index 08c4ad64a..df544fb68 100644
--- a/.github/workflows/__global-proxy.yml
+++ b/.github/workflows/__global-proxy.yml
@@ -52,7 +52,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__go-custom-queries.yml b/.github/workflows/__go-custom-queries.yml
index cc11dc941..a59530065 100644
--- a/.github/workflows/__go-custom-queries.yml
+++ b/.github/workflows/__go-custom-queries.yml
@@ -72,13 +72,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml b/.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml
index e474e1b6f..2415c7ff8 100644
--- a/.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml
+++ b/.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml
@@ -60,9 +60,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
@@ -78,7 +78,7 @@ jobs:
           languages: go
           tools: ${{ steps.prepare-test.outputs.tools-url }}
       # Deliberately change Go after the `init` step
-      - uses: actions/setup-go@v6
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: '1.20'
       - name: Build code
@@ -88,7 +88,7 @@ jobs:
           output: '${{ runner.temp }}/results'
           upload-database: false
       - name: Check diagnostic appears in SARIF
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         env:
           SARIF_PATH: '${{ runner.temp }}/results/go.sarif'
         with:
diff --git a/.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml b/.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml
index cc94d3bb8..38718fba2 100644
--- a/.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml
+++ b/.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml
@@ -60,9 +60,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
@@ -89,7 +89,7 @@ jobs:
           output: '${{ runner.temp }}/results'
           upload-database: false
       - name: Check diagnostic appears in SARIF
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         env:
           SARIF_PATH: '${{ runner.temp }}/results/go.sarif'
         with:
diff --git a/.github/workflows/__go-indirect-tracing-workaround.yml b/.github/workflows/__go-indirect-tracing-workaround.yml
index 6c8a24e0c..754299d3e 100644
--- a/.github/workflows/__go-indirect-tracing-workaround.yml
+++ b/.github/workflows/__go-indirect-tracing-workaround.yml
@@ -60,9 +60,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__go-tracing-autobuilder.yml b/.github/workflows/__go-tracing-autobuilder.yml
index f44a512f8..5c96e28f1 100644
--- a/.github/workflows/__go-tracing-autobuilder.yml
+++ b/.github/workflows/__go-tracing-autobuilder.yml
@@ -80,9 +80,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__go-tracing-custom-build-steps.yml b/.github/workflows/__go-tracing-custom-build-steps.yml
index aae22d8c0..7d3ea3aea 100644
--- a/.github/workflows/__go-tracing-custom-build-steps.yml
+++ b/.github/workflows/__go-tracing-custom-build-steps.yml
@@ -80,9 +80,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__go-tracing-legacy-workflow.yml b/.github/workflows/__go-tracing-legacy-workflow.yml
index cce010257..68012f0d4 100644
--- a/.github/workflows/__go-tracing-legacy-workflow.yml
+++ b/.github/workflows/__go-tracing-legacy-workflow.yml
@@ -80,9 +80,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__init-with-registries.yml b/.github/workflows/__init-with-registries.yml
index 940784361..2c55e14e4 100644
--- a/.github/workflows/__init-with-registries.yml
+++ b/.github/workflows/__init-with-registries.yml
@@ -54,7 +54,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__javascript-source-root.yml b/.github/workflows/__javascript-source-root.yml
index dc1a395ce..31662fc16 100644
--- a/.github/workflows/__javascript-source-root.yml
+++ b/.github/workflows/__javascript-source-root.yml
@@ -54,7 +54,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__job-run-uuid-sarif.yml b/.github/workflows/__job-run-uuid-sarif.yml
index a10ccd1d1..c0fa820e5 100644
--- a/.github/workflows/__job-run-uuid-sarif.yml
+++ b/.github/workflows/__job-run-uuid-sarif.yml
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -67,7 +67,7 @@ jobs:
         with:
           output: '${{ runner.temp }}/results'
       - name: Upload SARIF
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: ${{ matrix.os }}-${{ matrix.version }}.sarif.json
           path: '${{ runner.temp }}/results/javascript.sarif'
diff --git a/.github/workflows/__language-aliases.yml b/.github/workflows/__language-aliases.yml
index a4cdb034b..fe9ebef9c 100644
--- a/.github/workflows/__language-aliases.yml
+++ b/.github/workflows/__language-aliases.yml
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__local-bundle.yml b/.github/workflows/__local-bundle.yml
index 50eb33349..a6ab9f523 100644
--- a/.github/workflows/__local-bundle.yml
+++ b/.github/workflows/__local-bundle.yml
@@ -70,13 +70,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__multi-language-autodetect.yml b/.github/workflows/__multi-language-autodetect.yml
index 8115b66ee..f4849b990 100644
--- a/.github/workflows/__multi-language-autodetect.yml
+++ b/.github/workflows/__multi-language-autodetect.yml
@@ -104,13 +104,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
@@ -125,7 +125,7 @@ jobs:
         # We need Python 3.13 for older CLI versions because they are not compatible with Python 3.14 or newer.
         # See https://github.com/github/codeql-action/pull/3212
         if: matrix.version != 'nightly-latest' && matrix.version != 'linked'
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: '3.13'
 
diff --git a/.github/workflows/__overlay-init-fallback.yml b/.github/workflows/__overlay-init-fallback.yml
index 0871e6b44..554e9defc 100644
--- a/.github/workflows/__overlay-init-fallback.yml
+++ b/.github/workflows/__overlay-init-fallback.yml
@@ -52,7 +52,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__packaging-codescanning-config-inputs-js.yml b/.github/workflows/__packaging-codescanning-config-inputs-js.yml
index 94280eeed..9c7d84229 100644
--- a/.github/workflows/__packaging-codescanning-config-inputs-js.yml
+++ b/.github/workflows/__packaging-codescanning-config-inputs-js.yml
@@ -74,18 +74,18 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
       - name: Install Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 20.x
           cache: npm
diff --git a/.github/workflows/__packaging-config-inputs-js.yml b/.github/workflows/__packaging-config-inputs-js.yml
index 146bc4355..c446c7ff3 100644
--- a/.github/workflows/__packaging-config-inputs-js.yml
+++ b/.github/workflows/__packaging-config-inputs-js.yml
@@ -74,18 +74,18 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
       - name: Install Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 20.x
           cache: npm
diff --git a/.github/workflows/__packaging-config-js.yml b/.github/workflows/__packaging-config-js.yml
index fddd971f3..e550e493d 100644
--- a/.github/workflows/__packaging-config-js.yml
+++ b/.github/workflows/__packaging-config-js.yml
@@ -74,18 +74,18 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
       - name: Install Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 20.x
           cache: npm
diff --git a/.github/workflows/__packaging-inputs-js.yml b/.github/workflows/__packaging-inputs-js.yml
index 64bd575d5..7d3450d04 100644
--- a/.github/workflows/__packaging-inputs-js.yml
+++ b/.github/workflows/__packaging-inputs-js.yml
@@ -74,18 +74,18 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
       - name: Install Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 20.x
           cache: npm
diff --git a/.github/workflows/__remote-config.yml b/.github/workflows/__remote-config.yml
index 4302583d7..277f9293e 100644
--- a/.github/workflows/__remote-config.yml
+++ b/.github/workflows/__remote-config.yml
@@ -72,13 +72,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__resolve-environment-action.yml b/.github/workflows/__resolve-environment-action.yml
index 982e4e715..05125ca10 100644
--- a/.github/workflows/__resolve-environment-action.yml
+++ b/.github/workflows/__resolve-environment-action.yml
@@ -54,7 +54,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__rubocop-multi-language.yml b/.github/workflows/__rubocop-multi-language.yml
index 5d11093bb..e2bd040d5 100644
--- a/.github/workflows/__rubocop-multi-language.yml
+++ b/.github/workflows/__rubocop-multi-language.yml
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__ruby.yml b/.github/workflows/__ruby.yml
index 6d326ee88..b8d556e53 100644
--- a/.github/workflows/__ruby.yml
+++ b/.github/workflows/__ruby.yml
@@ -60,7 +60,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__rust.yml b/.github/workflows/__rust.yml
index 1c3d18d16..91c3d6618 100644
--- a/.github/workflows/__rust.yml
+++ b/.github/workflows/__rust.yml
@@ -58,7 +58,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__split-workflow.yml b/.github/workflows/__split-workflow.yml
index 7dfa81249..64efae65f 100644
--- a/.github/workflows/__split-workflow.yml
+++ b/.github/workflows/__split-workflow.yml
@@ -80,13 +80,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__start-proxy.yml b/.github/workflows/__start-proxy.yml
index 70ec13c96..7a318b023 100644
--- a/.github/workflows/__start-proxy.yml
+++ b/.github/workflows/__start-proxy.yml
@@ -54,7 +54,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__submit-sarif-failure.yml b/.github/workflows/__submit-sarif-failure.yml
index 2fdfeddfb..03ea2de23 100644
--- a/.github/workflows/__submit-sarif-failure.yml
+++ b/.github/workflows/__submit-sarif-failure.yml
@@ -54,7 +54,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
@@ -62,7 +62,7 @@ jobs:
           version: ${{ matrix.version }}
           use-all-platform-bundle: 'false'
           setup-kotlin: 'true'
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - uses: ./init
         with:
           languages: javascript
diff --git a/.github/workflows/__swift-autobuild.yml b/.github/workflows/__swift-autobuild.yml
index cd26309f4..496254703 100644
--- a/.github/workflows/__swift-autobuild.yml
+++ b/.github/workflows/__swift-autobuild.yml
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/__swift-custom-build.yml b/.github/workflows/__swift-custom-build.yml
index efdbde721..83c06ffd0 100644
--- a/.github/workflows/__swift-custom-build.yml
+++ b/.github/workflows/__swift-custom-build.yml
@@ -74,13 +74,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__unset-environment.yml b/.github/workflows/__unset-environment.yml
index 535362e83..b519e01dd 100644
--- a/.github/workflows/__unset-environment.yml
+++ b/.github/workflows/__unset-environment.yml
@@ -72,13 +72,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__upload-ref-sha-input.yml b/.github/workflows/__upload-ref-sha-input.yml
index 4e9502149..9a1c91dea 100644
--- a/.github/workflows/__upload-ref-sha-input.yml
+++ b/.github/workflows/__upload-ref-sha-input.yml
@@ -70,13 +70,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__upload-sarif.yml b/.github/workflows/__upload-sarif.yml
index 547828d07..182adbfde 100644
--- a/.github/workflows/__upload-sarif.yml
+++ b/.github/workflows/__upload-sarif.yml
@@ -77,13 +77,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
diff --git a/.github/workflows/__with-checkout-path.yml b/.github/workflows/__with-checkout-path.yml
index 0d9728757..3d6380462 100644
--- a/.github/workflows/__with-checkout-path.yml
+++ b/.github/workflows/__with-checkout-path.yml
@@ -71,13 +71,13 @@ jobs:
     steps:
       # This ensures we don't accidentally use the original checkout for any part of the test.
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: ${{ inputs.dotnet-version || '9.x' }}
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ${{ inputs.go-version || '>=1.21.0' }}
           cache: false
@@ -96,7 +96,7 @@ jobs:
           rm -rf ./* .github .git
       # Check out the actions repo again, but at a different location.
       # choose an arbitrary SHA so that we can later test that the commit_oid is not from main
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           ref: 474bbf07f9247ffe1856c6a0f94aeeb10e7afee6
           path: x/y/z/some-path
diff --git a/.github/workflows/check-expected-release-files.yml b/.github/workflows/check-expected-release-files.yml
index 79ce60071..ee6ad120b 100644
--- a/.github/workflows/check-expected-release-files.yml
+++ b/.github/workflows/check-expected-release-files.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout CodeQL Action
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Check Expected Release Files
         run: |
           bundle_version="$(cat "./src/defaults.json" | jq -r ".bundleVersion")"
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 9f14b05bf..d604bbd80 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -35,7 +35,7 @@ jobs:
       security-events: read
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
     - name: Set up default CodeQL bundle
       id: setup-default
       uses: ./setup-codeql
@@ -87,7 +87,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
     - name: Initialize CodeQL
       uses: ./init
       id: init
@@ -124,7 +124,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
     - name: Initialize CodeQL
       uses: ./init
       with:
diff --git a/.github/workflows/codescanning-config-cli.yml b/.github/workflows/codescanning-config-cli.yml
index 0da0f4d38..3a62bd78d 100644
--- a/.github/workflows/codescanning-config-cli.yml
+++ b/.github/workflows/codescanning-config-cli.yml
@@ -59,10 +59,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - name: Check out repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
     - name: Set up Node.js
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: 24
         cache: 'npm'
diff --git a/.github/workflows/debug-artifacts-failure-safe.yml b/.github/workflows/debug-artifacts-failure-safe.yml
index 5bb53ecbd..d044d8420 100644
--- a/.github/workflows/debug-artifacts-failure-safe.yml
+++ b/.github/workflows/debug-artifacts-failure-safe.yml
@@ -53,17 +53,17 @@ jobs:
       - name: Dump GitHub event
         run: cat "${GITHUB_EVENT_PATH}"
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
         with:
           version: ${{ matrix.version }}
-      - uses: actions/setup-go@v6
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ^1.13.1
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: '9.x'
       - name: Assert best-effort artifact scan completed
@@ -94,7 +94,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download all artifacts
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
       - name: Check expected artifacts exist
         run: |
           LANGUAGES="cpp csharp go java javascript python"
diff --git a/.github/workflows/debug-artifacts-safe.yml b/.github/workflows/debug-artifacts-safe.yml
index 85b037cba..4699436a1 100644
--- a/.github/workflows/debug-artifacts-safe.yml
+++ b/.github/workflows/debug-artifacts-safe.yml
@@ -49,17 +49,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Prepare test
         id: prepare-test
         uses: ./.github/actions/prepare-test
         with:
           version: ${{ matrix.version }}
-      - uses: actions/setup-go@v6
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: ^1.13.1
       - name: Install .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: '9.x'
       - name: Assert best-effort artifact scan completed
@@ -87,7 +87,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download all artifacts
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
       - name: Check expected artifacts exist
         run: |
           VERSIONS="stable-v2.20.3 default linked nightly-latest"
diff --git a/.github/workflows/post-release-mergeback.yml b/.github/workflows/post-release-mergeback.yml
index 7ba78e229..313a1e355 100644
--- a/.github/workflows/post-release-mergeback.yml
+++ b/.github/workflows/post-release-mergeback.yml
@@ -44,14 +44,14 @@ jobs:
           GITHUB_CONTEXT: '${{ toJson(github) }}'
         run: echo "${GITHUB_CONTEXT}"
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0  # ensure we have all tags and can push commits
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 24
           cache: 'npm'
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: '3.12'
 
@@ -134,7 +134,7 @@ jobs:
           echo "::endgroup::"
 
       - name: Generate token
-        uses: actions/create-github-app-token@v3.2.0
+        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
         id: app-token
         with:
           app-id: ${{ vars.AUTOMATION_APP_ID }}
diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index 6b7656150..195494c18 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -42,10 +42,10 @@ jobs:
         if: runner.os == 'Windows'
         run: git config --global core.autocrlf false
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Set up Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: ${{ matrix.node-version }}
           cache: 'npm'
@@ -91,10 +91,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Set up Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 24
           cache: 'npm'
@@ -155,7 +155,7 @@ jobs:
 
       - name: Upload repo size comment
         if: steps.fetch-base.outcome == 'success'
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: repo-size-comment
           path: ${{ runner.temp }}/repo-size/
@@ -164,7 +164,7 @@ jobs:
       - name: 'Backport: Check out base ref'
         id: checkout-base
         if: ${{ startsWith(github.head_ref, 'backport-') }}
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           ref: ${{ github.base_ref }}
 
@@ -203,7 +203,7 @@ jobs:
 
     steps:
       - name: Download repo size comment
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
           name: repo-size-comment
           path: repo-size-comment
diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index fbddee3d5..915148e27 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -44,7 +44,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0 # Need full history for calculation of diffs
 
diff --git a/.github/workflows/publish-immutable-action.yml b/.github/workflows/publish-immutable-action.yml
index e14bc30bc..3944a81e6 100644
--- a/.github/workflows/publish-immutable-action.yml
+++ b/.github/workflows/publish-immutable-action.yml
@@ -20,8 +20,8 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Publish immutable release
         id: publish
-        uses: actions/publish-immutable-action@v0.0.4
+        uses: actions/publish-immutable-action@4bc8754ffc40f27910afb20287dbbbb675a4e978 # v0.0.4
diff --git a/.github/workflows/python312-windows.yml b/.github/workflows/python312-windows.yml
index 85901bff8..76a9c4ff2 100644
--- a/.github/workflows/python312-windows.yml
+++ b/.github/workflows/python312-windows.yml
@@ -35,11 +35,11 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/setup-python@v6
+    - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
       with:
         python-version: 3.12
 
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
     - name: Prepare test
       uses: ./.github/actions/prepare-test
diff --git a/.github/workflows/query-filters.yml b/.github/workflows/query-filters.yml
index b55ff8af2..3d1f4275c 100644
--- a/.github/workflows/query-filters.yml
+++ b/.github/workflows/query-filters.yml
@@ -35,10 +35,10 @@ jobs:
       contents: read # This permission is needed to allow the GitHub Actions workflow to read the contents of the repository.
     steps:
     - name: Check out repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
     - name: Install Node.js
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: 24
         cache: npm
diff --git a/.github/workflows/rebuild.yml b/.github/workflows/rebuild.yml
index cafc432d9..f1d74dc8f 100644
--- a/.github/workflows/rebuild.yml
+++ b/.github/workflows/rebuild.yml
@@ -24,13 +24,13 @@ jobs:
       pull-requests: write # needed to comment on the PR
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
           ref: ${{ env.HEAD_REF }}
 
       - name: Set up Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 24
           cache: 'npm'
diff --git a/.github/workflows/rollback-release.yml b/.github/workflows/rollback-release.yml
index ba10430f7..e6a9da61f 100644
--- a/.github/workflows/rollback-release.yml
+++ b/.github/workflows/rollback-release.yml
@@ -52,7 +52,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0 # Need full history for calculation of diffs
 
@@ -136,7 +136,7 @@ jobs:
 
       - name: Generate token
         if: github.event_name == 'workflow_dispatch'
-        uses: actions/create-github-app-token@v3.2.0
+        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
         id: app-token
         with:
           app-id: ${{ vars.AUTOMATION_APP_ID }}
diff --git a/.github/workflows/test-codeql-bundle-all.yml b/.github/workflows/test-codeql-bundle-all.yml
index 03ab6c37b..c44dafc59 100644
--- a/.github/workflows/test-codeql-bundle-all.yml
+++ b/.github/workflows/test-codeql-bundle-all.yml
@@ -43,7 +43,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - name: Check out repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
     - name: Prepare test
       id: prepare-test
       uses: ./.github/actions/prepare-test
@@ -51,7 +51,7 @@ jobs:
         version: ${{ matrix.version }}
         use-all-platform-bundle: true
     - name: Install .NET
-      uses: actions/setup-dotnet@v5
+      uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
       with:
         dotnet-version: '9.x'
     - id: init
diff --git a/.github/workflows/update-bundle.yml b/.github/workflows/update-bundle.yml
index 837079481..94c79bc56 100644
--- a/.github/workflows/update-bundle.yml
+++ b/.github/workflows/update-bundle.yml
@@ -33,7 +33,7 @@ jobs:
           GITHUB_CONTEXT: '${{ toJson(github) }}'
         run: echo "$GITHUB_CONTEXT"
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Update git config
         run: |
@@ -41,12 +41,12 @@ jobs:
           git config --global user.name "github-actions[bot]"
 
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: '3.12'
 
       - name: Set up Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 24
           cache: 'npm'
diff --git a/.github/workflows/update-release-branch.yml b/.github/workflows/update-release-branch.yml
index 40d25e216..bef796574 100644
--- a/.github/workflows/update-release-branch.yml
+++ b/.github/workflows/update-release-branch.yml
@@ -38,7 +38,7 @@ jobs:
       contents: write # needed to push commits
       pull-requests: write # needed to create pull request
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       with:
         fetch-depth: 0  # Need full history for calculation of diffs
     - uses: ./.github/actions/release-initialise
@@ -94,14 +94,14 @@ jobs:
       pull-requests: write # needed to create pull request
     steps:
     - name: Generate token
-      uses: actions/create-github-app-token@v3.2.0
+      uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
       id: app-token
       with:
         app-id: ${{ vars.AUTOMATION_APP_ID }}
         private-key: ${{ secrets.AUTOMATION_PRIVATE_KEY }}
 
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       with:
         fetch-depth: 0  # Need full history for calculation of diffs
         token: ${{ steps.app-token.outputs.token }}
diff --git a/.github/workflows/update-supported-enterprise-server-versions.yml b/.github/workflows/update-supported-enterprise-server-versions.yml
index 4cead58f4..16f6f528c 100644
--- a/.github/workflows/update-supported-enterprise-server-versions.yml
+++ b/.github/workflows/update-supported-enterprise-server-versions.yml
@@ -23,13 +23,13 @@ jobs:
 
     steps:
       - name: Setup Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: "3.13"
       - name: Checkout CodeQL Action
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Checkout Enterprise Releases
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           repository: github/enterprise-releases
           token: ${{ secrets.ENTERPRISE_RELEASE_TOKEN }}
diff --git a/pr-checks/checks/analysis-kinds.yml b/pr-checks/checks/analysis-kinds.yml
index 7b10f8d79..5b2aaf4aa 100644
--- a/pr-checks/checks/analysis-kinds.yml
+++ b/pr-checks/checks/analysis-kinds.yml
@@ -46,7 +46,7 @@ steps:
       post-processed-sarif-path: "${{ runner.temp }}/post-processed"
 
   - name: Upload SARIF files
-    uses: actions/upload-artifact@v7
+    uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
     with:
       name: |
         analysis-kinds-${{ matrix.os }}-${{ matrix.version }}-${{ matrix.analysis-kinds }}
@@ -54,7 +54,7 @@ steps:
       retention-days: 7
 
   - name: Upload post-processed SARIF
-    uses: actions/upload-artifact@v7
+    uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
     with:
       name: |
         post-processed-${{ matrix.os }}-${{ matrix.version }}-${{ matrix.analysis-kinds }}
@@ -64,7 +64,7 @@ steps:
 
   - name: Check quality query does not appear in security SARIF
     if: contains(matrix.analysis-kinds, 'code-scanning')
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     env:
       SARIF_PATH: "${{ runner.temp }}/results/javascript.sarif"
       EXPECT_PRESENT: "false"
@@ -72,7 +72,7 @@ steps:
       script: ${{ env.CHECK_SCRIPT }}
   - name: Check quality query appears in quality SARIF
     if: contains(matrix.analysis-kinds, 'code-quality')
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     env:
       SARIF_PATH: "${{ runner.temp }}/results/javascript.quality.sarif"
       EXPECT_PRESENT: "true"
diff --git a/pr-checks/checks/bundle-from-toolcache.yml b/pr-checks/checks/bundle-from-toolcache.yml
index 2719ccfb0..0e51e2e12 100644
--- a/pr-checks/checks/bundle-from-toolcache.yml
+++ b/pr-checks/checks/bundle-from-toolcache.yml
@@ -7,7 +7,7 @@ steps:
     run: npm install @actions/tool-cache@3
   - name: Check toolcache contains CodeQL
     continue-on-error: true
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     with:
       script: |
         const toolcache = require('@actions/tool-cache');
@@ -20,7 +20,7 @@ steps:
     with:
       tools: ${{ steps.prepare-test.outputs.tools-url }}
   - name: Check CodeQL is installed within the toolcache
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     with:
       script: |
         const toolcache = require('@actions/tool-cache');
diff --git a/pr-checks/checks/bundle-toolcache.yml b/pr-checks/checks/bundle-toolcache.yml
index f5315d285..83d1d7d0b 100644
--- a/pr-checks/checks/bundle-toolcache.yml
+++ b/pr-checks/checks/bundle-toolcache.yml
@@ -8,7 +8,7 @@ operatingSystems:
   - windows
 steps:
   - name: Remove CodeQL from toolcache
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     with:
       script: |
         const fs = require('fs');
@@ -18,7 +18,7 @@ steps:
   - name: Install @actions/tool-cache
     run: npm install @actions/tool-cache@3
   - name: Check toolcache does not contain CodeQL
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     with:
       script: |
         const toolcache = require('@actions/tool-cache');
@@ -37,7 +37,7 @@ steps:
       output: ${{ runner.temp }}/results
       upload-database: false
   - name: Check CodeQL is installed within the toolcache
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     with:
       script: |
         const toolcache = require('@actions/tool-cache');
diff --git a/pr-checks/checks/bundle-zstd.yml b/pr-checks/checks/bundle-zstd.yml
index 810f0b0c1..a961af3c3 100644
--- a/pr-checks/checks/bundle-zstd.yml
+++ b/pr-checks/checks/bundle-zstd.yml
@@ -8,7 +8,7 @@ operatingSystems:
   - windows
 steps:
   - name: Remove CodeQL from toolcache
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     with:
       script: |
         const fs = require('fs');
@@ -27,13 +27,13 @@ steps:
       output: ${{ runner.temp }}/results
       upload-database: false
   - name: Upload SARIF
-    uses: actions/upload-artifact@v7
+    uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
     with:
       name: ${{ matrix.os }}-zstd-bundle.sarif
       path: ${{ runner.temp }}/results/javascript.sarif
       retention-days: 7
   - name: Check diagnostic with expected tools URL appears in SARIF
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     env:
       SARIF_PATH: ${{ runner.temp }}/results/javascript.sarif
     with:
diff --git a/pr-checks/checks/config-export.yml b/pr-checks/checks/config-export.yml
index 17dd75845..93c640735 100644
--- a/pr-checks/checks/config-export.yml
+++ b/pr-checks/checks/config-export.yml
@@ -14,13 +14,13 @@ steps:
       output: "${{ runner.temp }}/results"
       upload-database: false
   - name: Upload SARIF
-    uses: actions/upload-artifact@v7
+    uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
     with:
       name: config-export-${{ matrix.os }}-${{ matrix.version }}.sarif.json
       path: "${{ runner.temp }}/results/javascript.sarif"
       retention-days: 7
   - name: Check config properties appear in SARIF
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     env:
       SARIF_PATH: "${{ runner.temp }}/results/javascript.sarif"
     with:
diff --git a/pr-checks/checks/diagnostics-export.yml b/pr-checks/checks/diagnostics-export.yml
index 811335a7c..61b9ae5ef 100644
--- a/pr-checks/checks/diagnostics-export.yml
+++ b/pr-checks/checks/diagnostics-export.yml
@@ -27,13 +27,13 @@ steps:
       output: "${{ runner.temp }}/results"
       upload-database: false
   - name: Upload SARIF
-    uses: actions/upload-artifact@v7
+    uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
     with:
       name: diagnostics-export-${{ matrix.os }}-${{ matrix.version }}.sarif.json
       path: "${{ runner.temp }}/results/javascript.sarif"
       retention-days: 7
   - name: Check diagnostics appear in SARIF
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     env:
       SARIF_PATH: "${{ runner.temp }}/results/javascript.sarif"
     with:
diff --git a/pr-checks/checks/export-file-baseline-information.yml b/pr-checks/checks/export-file-baseline-information.yml
index 8f882ef59..c5d5d12dd 100644
--- a/pr-checks/checks/export-file-baseline-information.yml
+++ b/pr-checks/checks/export-file-baseline-information.yml
@@ -23,7 +23,7 @@ steps:
     with:
       output: "${{ runner.temp }}/results"
   - name: Upload SARIF
-    uses: actions/upload-artifact@v7
+    uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
     with:
       name: with-baseline-information-${{ matrix.os }}-${{ matrix.version }}.sarif.json
       path: "${{ runner.temp }}/results/javascript.sarif"
diff --git a/pr-checks/checks/go-indirect-tracing-workaround-diagnostic.yml b/pr-checks/checks/go-indirect-tracing-workaround-diagnostic.yml
index bd48f1a12..69f9b4762 100644
--- a/pr-checks/checks/go-indirect-tracing-workaround-diagnostic.yml
+++ b/pr-checks/checks/go-indirect-tracing-workaround-diagnostic.yml
@@ -12,7 +12,7 @@ steps:
       languages: go
       tools: ${{ steps.prepare-test.outputs.tools-url }}
   # Deliberately change Go after the `init` step
-  - uses: actions/setup-go@v6
+  - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
     with:
       go-version: "1.20"
   - name: Build code
@@ -22,7 +22,7 @@ steps:
       output: "${{ runner.temp }}/results"
       upload-database: false
   - name: Check diagnostic appears in SARIF
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     env:
       SARIF_PATH: "${{ runner.temp }}/results/go.sarif"
     with:
diff --git a/pr-checks/checks/go-indirect-tracing-workaround-no-file-program.yml b/pr-checks/checks/go-indirect-tracing-workaround-no-file-program.yml
index 8e3f4234b..5068df622 100644
--- a/pr-checks/checks/go-indirect-tracing-workaround-no-file-program.yml
+++ b/pr-checks/checks/go-indirect-tracing-workaround-no-file-program.yml
@@ -23,7 +23,7 @@ steps:
       output: "${{ runner.temp }}/results"
       upload-database: false
   - name: Check diagnostic appears in SARIF
-    uses: actions/github-script@v8
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     env:
       SARIF_PATH: "${{ runner.temp }}/results/go.sarif"
     with:
diff --git a/pr-checks/checks/job-run-uuid-sarif.yml b/pr-checks/checks/job-run-uuid-sarif.yml
index b37821d5a..dc1dd02d4 100644
--- a/pr-checks/checks/job-run-uuid-sarif.yml
+++ b/pr-checks/checks/job-run-uuid-sarif.yml
@@ -12,7 +12,7 @@ steps:
     with:
       output: "${{ runner.temp }}/results"
   - name: Upload SARIF
-    uses: actions/upload-artifact@v7
+    uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
     with:
       name: ${{ matrix.os }}-${{ matrix.version }}.sarif.json
       path: "${{ runner.temp }}/results/javascript.sarif"
diff --git a/pr-checks/checks/multi-language-autodetect.yml b/pr-checks/checks/multi-language-autodetect.yml
index c52dcf940..fcafe5fb3 100644
--- a/pr-checks/checks/multi-language-autodetect.yml
+++ b/pr-checks/checks/multi-language-autodetect.yml
@@ -13,7 +13,7 @@ steps:
     # We need Python 3.13 for older CLI versions because they are not compatible with Python 3.14 or newer.
     # See https://github.com/github/codeql-action/pull/3212
     if: matrix.version != 'nightly-latest' && matrix.version != 'linked'
-    uses: actions/setup-python@v6
+    uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
     with:
       python-version: "3.13"
 
diff --git a/pr-checks/checks/submit-sarif-failure.yml b/pr-checks/checks/submit-sarif-failure.yml
index e776e23c2..2bba971d7 100644
--- a/pr-checks/checks/submit-sarif-failure.yml
+++ b/pr-checks/checks/submit-sarif-failure.yml
@@ -21,7 +21,7 @@ permissions:
   security-events: write # needed to upload the SARIF file
 
 steps:
-  - uses: actions/checkout@v6
+  - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
   - uses: ./init
     with:
       languages: javascript
diff --git a/pr-checks/checks/with-checkout-path.yml b/pr-checks/checks/with-checkout-path.yml
index c53e3b415..e91066e18 100644
--- a/pr-checks/checks/with-checkout-path.yml
+++ b/pr-checks/checks/with-checkout-path.yml
@@ -14,7 +14,7 @@ steps:
       rm -rf ./* .github .git
   # Check out the actions repo again, but at a different location.
   # choose an arbitrary SHA so that we can later test that the commit_oid is not from main
-  - uses: actions/checkout@v6
+  - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
     with:
       ref: 474bbf07f9247ffe1856c6a0f94aeeb10e7afee6
       path: x/y/z/some-path
diff --git a/pr-checks/sync.ts b/pr-checks/sync.ts
index 27b1d9264..4d7ae200a 100755
--- a/pr-checks/sync.ts
+++ b/pr-checks/sync.ts
@@ -7,6 +7,16 @@ import * as yaml from "yaml";
 
 import { BuiltInLanguage } from "../src/languages";
 
+/**
+ * Returns a `uses` value for `action` pinned to a commit SHA, with the
+ * human-readable version recorded in a trailing comment.
+ */
+function pinnedUses(action: string, sha: string, version: string): yaml.Scalar {
+  const node = new yaml.Scalar(`${action}@${sha}`);
+  node.comment = ` ${version}`;
+  return node;
+}
+
 /** Known workflow input names. */
 enum KnownInputName {
   GoVersion = "go-version",
@@ -192,7 +202,11 @@ const languageSetups: LanguageSetups = {
     steps: [
       {
         name: "Install Node.js",
-        uses: "actions/setup-node@v6",
+        uses: pinnedUses(
+          "actions/setup-node",
+          "48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e",
+          "v6.4.0",
+        ),
         with: {
           "node-version": defaultLanguageVersions.javascript,
           cache: "npm",
@@ -210,7 +224,11 @@ const languageSetups: LanguageSetups = {
     steps: [
       {
         name: "Install Go",
-        uses: "actions/setup-go@v6",
+        uses: pinnedUses(
+          "actions/setup-go",
+          "4a3601121dd01d1626a1e23e37211e3254c1c06c",
+          "v6.4.0",
+        ),
         with: {
           "go-version": `\${{ inputs.go-version || '${defaultLanguageVersions.go}' }}`,
           // to avoid potentially misleading autobuilder results where we expect it to download
@@ -226,7 +244,11 @@ const languageSetups: LanguageSetups = {
     steps: [
       {
         name: "Install Java",
-        uses: "actions/setup-java@v5",
+        uses: pinnedUses(
+          "actions/setup-java",
+          "be666c2fcd27ec809703dec50e508c2fdc7f6654",
+          "v5.2.0",
+        ),
         with: {
           "java-version": `\${{ inputs.java-version || '${defaultLanguageVersions.java}' }}`,
           distribution: "temurin",
@@ -240,7 +262,11 @@ const languageSetups: LanguageSetups = {
     steps: [
       {
         name: "Install Python",
-        uses: "actions/setup-python@v6",
+        uses: pinnedUses(
+          "actions/setup-python",
+          "a309ff8b426b58ec0e2a45f0f869d46889d02405",
+          "v6.2.0",
+        ),
         with: {
           "python-version": `\${{ inputs.python-version || '${defaultLanguageVersions.python}' }}`,
         },
@@ -253,7 +279,11 @@ const languageSetups: LanguageSetups = {
     steps: [
       {
         name: "Install .NET",
-        uses: "actions/setup-dotnet@v5",
+        uses: pinnedUses(
+          "actions/setup-dotnet",
+          "9a946fdbd5fb07b82b2f5a4466058b876ab72bb2",
+          "v5.3.0",
+        ),
         with: {
           "dotnet-version": `\${{ inputs.dotnet-version || '${defaultLanguageVersions.csharp}' }}`,
         },
@@ -456,7 +486,11 @@ function generateJob(
   const steps: Step[] = [
     {
       name: "Check out repository",
-      uses: "actions/checkout@v6",
+      uses: pinnedUses(
+        "actions/checkout",
+        "df4cb1c069e1874edd31b4311f1884172cec0e10",
+        "v6.0.3",
+      ),
     },
     ...setupInfo.steps,
     {