Pin GitHub Actions to full SHA hashes#8
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brunoborges merged 2 commits intoJun 16, 2026
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Pin GitHub Actions to full SHA hashes
Jun 16, 2026
brunoborges
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Jun 16, 2026
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Pull request overview
This PR hardens the repository’s GitHub Actions configuration against supply-chain risk by replacing mutable action tags with full commit SHA pins, while enabling Dependabot to keep those pins up to date.
Changes:
- Pinned
actions/checkoutandactions/setup-javato full 40-character commit SHAs (with inline version comments for traceability/Dependabot). - Enabled Dependabot updates for the
github-actionsecosystem to automate future action pin updates.
Show a summary per file
| File | Description |
|---|---|
.github/workflows/build.yml |
Replaces mutable action tags with full SHA pins and inline version comments. |
.github/dependabot.yml |
Adds github-actions Dependabot updates so pinned action SHAs can be refreshed automatically. |
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Mutable tags like
v6orv5can be silently redirected, making workflows vulnerable to supply chain attacks. Pinning to full commit SHAs eliminates that risk.Changes
.github/workflows/build.yml— replaced tag references with full SHA pins and inline version comments:.github/dependabot.yml— enabledgithub-actionsecosystem so Dependabot automatically opens PRs to keep the SHA pins current as new action versions are released.