chore: pin GitHub Actions to fixed SHAs#39
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Pin GitHub Actions to immutable SHAs: - checkout@v4: 34e114876b0b11c390a56381ad16ebd13914f8d5 - checkout@v6: de0fac2e4500dabe0009e67214ff5f5447ce83dd
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Cursor Bugbot has reviewed your changes and found 2 potential issues.
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| runs-on: ubuntu-latest | ||
| steps: | ||
| - uses: actions/checkout@v4 | ||
| - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 |
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Pinned SHA appears to be v6, not v4
Medium Severity
The SHA 34e114876b0b11c390a56381ad16ebd13914f8d5 is labeled as checkout@v4 in the PR description, but this commit has the message "Cleanup actions/checkout@v6 auth style (#2305)" and belongs to the v6 branch. The known v4.3.0 release SHA is b3498302c5c423fa896b97a26bb183df735d08f8, which is entirely different. This silently upgrades four workflows from v4 to v6, which changes credential storage behavior, requires a newer Actions Runner, and uses Node.js 24 instead of Node.js 20.
Additional Locations (2)
Reviewed by Cursor Bugbot for commit 282ea90. Configure here.
| runs-on: ubuntu-latest | ||
| steps: | ||
| - uses: actions/checkout@v4 | ||
| - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 |
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Pinned SHAs missing version comments for maintainability
Low Severity
The pinned SHAs lack version-indicating comments, making it impossible to know at a glance which version is in use. The existing codeql.yml in this repo already follows the best practice of including a version comment (e.g., @b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1). The newly pinned actions are inconsistent with this established pattern.
Additional Locations (2)
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Sequence DiagramThis PR updates Rust-related GitHub Actions workflows to use pinned checkout and artifact upload SHAs, improving security and reproducibility while preserving the existing CI behavior. sequenceDiagram
participant Developer
participant GitHub
participant CIWorkflow as CI workflow
participant Checkout as Pinned checkout action
participant Analysis as Analysis actions
participant Artifact as Pinned artifact upload
Developer->>GitHub: Push code or open pull request
GitHub->>CIWorkflow: Trigger Rust security and quality workflows
CIWorkflow->>Checkout: Fetch repository code with pinned SHA
CIWorkflow->>Analysis: Run audit, deny, machete, semver and codeql checks
CIWorkflow->>Artifact: Upload scorecard results with pinned SHA
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Sequence DiagramThis PR updates multiple CI workflows so that checkout and artifact upload actions use immutable commit SHAs instead of floating tags, improving reproducibility and supply-chain security while keeping the overall workflow behavior the same. sequenceDiagram
participant GitHub
participant CI Workflow
participant Checkout Action
participant Tool Actions
participant Artifact Upload Action
GitHub->>CI Workflow: Trigger Rust or security workflow
CI Workflow->>Checkout Action: Fetch repository using pinned SHA version
CI Workflow->>Tool Actions: Run Rust checks and analysis
CI Workflow->>Artifact Upload Action: Upload results using pinned SHA version
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User description
Summary
Pin GitHub Actions to immutable SHAs for improved security and reproducibility.
Actions Pinned
Note
Low Risk
Low risk: only updates GitHub Actions references in workflow files, with no application code or runtime logic changes. Main risk is CI breakage if the pinned SHAs are incorrect or deprecated.
Overview
Pins previously tag-based GitHub Actions to specific commit SHAs across several CI workflows (Rust
cargo-*checks, Rust CodeQL, and Scorecard artifact upload).This improves CI reproducibility and reduces supply-chain risk by avoiding floating action versions.
Reviewed by Cursor Bugbot for commit 442686a. Bugbot is set up for automated code reviews on this repo. Configure here.
CodeAnt-AI Description
Pin GitHub Actions to fixed versions in CI workflows
What Changed
Impact
✅ More predictable CI runs✅ Fewer workflow surprises✅ Lower supply-chain risk🔄 Retrigger CodeAnt AI Review
Details
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