fix: pin all GitHub Actions to commit SHAs#1125
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dgilmanuni merged 1 commit intomainfrom Apr 2, 2026
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Replace mutable tag/branch references with immutable commit SHAs to prevent supply chain attacks via tag mutation. Triggered by: axios npm supply chain compromise audit (2026-03-30) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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just-toby
approved these changes
Apr 2, 2026
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Summary
What changed
All
uses:directives in.github/workflows/check-and-deploy.yml,.github/workflows/lint.yaml, and.github/workflows/search.yamlthat referenced mutable tags (@v3,@v4,@v9,@v1,@v1.1.9) or branches (@master) have been replaced with full 40-character commit SHAs. Original version tags are preserved as inline comments for readability. TheHomebrew/actions/setup-homebrew@masterbranch ref was particularly important to pin since branch refs can be force-pushed at any time.Actions pinned:
actions/checkoutv3f43a0e5ff2bd294095638e18286ca9a3d1956744actions/checkoutv434e114876b0b11c390a56381ad16ebd13914f8d5actions/setup-nodev33235b876344d2a9aa001b8d1453c930bba69e610zentered/vercel-preview-urlv1.1.9e5fb141da2e3d62692b38e6c7c17477aad214165UnlyEd/github-action-await-vercelv13d536f03d951e603b21701814ba211dcbbafaf93treosh/lighthouse-ci-actionv92e159d989f91bb9e399801b3e1ad90bcd4749f75actions/github-scriptv3ffc2c79a5b2490bd33e0a41c1de74b877714d736mshick/add-pr-commentv1a96c578acba98b60f16c6866d5f20478dc4ef68bHomebrew/actions/setup-homebrewmasterb2a302b9a642580cae998e6ba2076ffd28e61317Test plan
check-and-deploy.ymlCI passes on this PRlint.yamlCI passes on this PRsearch.yamlruns on cron schedule only -- manual trigger or next scheduled run will confirmSession context
Triggered by the axios npm supply chain compromise audit (2026-03-30). All SHAs were resolved via
gh api repos/{owner}/{repo}/git/ref/tags/{tag}, with tag objects dereferenced to their underlying commit SHAs where needed (treosh/lighthouse-ci-action and mshick/add-pr-comment were annotated tags requiring an extra dereference step). No local actions were present in this repo.🤖 Generated with Claude Code