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chore: pin GitHub Actions to commit SHAs#1762
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Pin every `uses:` ref in .github/workflows and composite actions to a
full 40-character commit SHA, with the original tag preserved as a
comment, e.g.
uses: actions/checkout@11bd719 # v4
Tags and branches are mutable; commit SHAs are not. Pinning to a SHA
closes a supply-chain vector where a compromised action could replace
what runs in CI without changing the tag we reference.
Generated mechanically with `pinact run`
(https://github.com/suzuki-shunsuke/pinact). No version bumps were
applied (strict pin).
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Summary
Pin every
uses:ref in.github/workflows/(and any composite actionfiles) to a full 40-character commit SHA, with the original tag
preserved as a
# vXcomment.Why
Tags and branches are mutable, so a compromised action can replace what
runs in our pipelines without changing the tag we reference. Pinning to
a SHA closes that supply-chain vector. See GitHub's hardening guide:
https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-third-party-actions.
Deadline
TechOps is enforcing SHA-pinned GitHub Actions across the org by
June 8, 2026. Merging this PR brings the repo into compliance ahead
of the cut-over; after that date workflows that still reference
mutable tags or branches will be blocked from running.
How
Generated mechanically with
pinact run.No version bumps were applied (strict pin); follow-up upgrades can come
from Renovate or a separate
pinact run -uPR.Test plan
Note
Low Risk
Low risk: this only changes GitHub Actions workflow references to SHA-pinned action revisions, without altering build/test logic. Main risk is CI breakage if any pinned commit is incompatible or removed upstream.
Overview
Pins all GitHub Actions used in CI workflows to immutable commit SHAs (with the prior version/tag kept as a comment) across
build.yml,pr.yml,release.yml, andupgradebot.yml.This replaces mutable
@vX/branch references for actions likecheckout,setup-go,setup-java, artifact upload/download, Docker build/push, andgithub-script, reducing supply-chain risk while keeping the workflows’ steps and behavior otherwise unchanged.Reviewed by Cursor Bugbot for commit 5293014. Bugbot is set up for automated code reviews on this repo. Configure here.