Pin GitHub Actions to immutable SHAs and enable Dependabot-managed SHA refresh - #5644
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[WIP] Pin GitHub Actions to commit SHAs for supply-chain security
Pin GitHub Actions to immutable SHAs and enable Dependabot-managed SHA refresh
Aug 20, 2026
mthalman
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Aug 20, 2026
| fetch-depth: 0 | ||
| - name: Lint Code Base | ||
| uses: github/super-linter@v6 # https://github.com/github/super-linter | ||
| uses: github/super-linter@4e51915f4a812abf59fed160bb14595c0a38a9e7 # v6 # https://github.com/github/super-linter |
Co-authored-by: mthalman <15789599+mthalman@users.noreply.github.com>
mthalman
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Aug 20, 2026
lbussell
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Aug 20, 2026
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This PR applies supply-chain hardening to repository workflows by replacing tag-based GitHub Action references with commit SHAs, and adds automated SHA maintenance via Dependabot with a cooldown window.
Workflow action pinning
uses: ...@vXreferences with 40-char commit SHAs (kept version comments for readability)..github/workflows/lint-code-base.yml.github/workflows/check-markdown-links.yml.github/workflows/labeler.yml.github/workflows/copilot-setup-steps.ymlDependabot policy for GitHub Actions
.github/dependabot.ymlforgithub-actionsupdates at repo root.Resulting pattern