Pin GitHub Actions to commit SHAs#1580
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Replace mutable tag references with immutable commit SHAs to prevent supply-chain attacks via compromised tags. Version comments are preserved for readability.
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #1580 +/- ##
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Hits 3988 3988 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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WalkthroughFive GitHub Actions workflow files have been updated to pin third-party action references to specific commit SHAs instead of mutable version tags. The changes maintain all existing workflow logic, inputs, and conditional behavior while hardening against supply-chain attacks. Changes
Estimated code review effort🎯 2 (Simple) | ⏱️ ~12 minutes Possibly related PRs
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Actionable comments posted: 5
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Inline comments:
In @.github/workflows/ci.yml:
- Line 150: The workflow is pinning CodSpeedHQ/action to a non-existent release
SHA (CodSpeedHQ/action@db35df748deb45fdef0960669f57d627c1956c30); update the
action reference in the uses line (CodSpeedHQ/action@...) to a valid tag such as
v4.13.0 (or another released tag/commit SHA) so the runner can fetch the correct
release.
- Line 129: The workflow currently pins the Codecov action to the wrong commit
SHA (uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2);
update that pinned SHA to the commit that matches the v6.0.0 tag
(cfcde7842b7f5a94a06364a1737f123c56eace94) so the action reference reflects the
actual v6.0.0 release.
In @.github/workflows/release-drafter.yml:
- Line 17: Update the pinned release-drafter action to a real released tag:
replace the non-existent commit SHA/label for release-drafter/release-drafter
(currently referencing v7.2.0) with an actual released version such as v7.1.1;
locate the uses: release-drafter/release-drafter@... entry in the workflow and
change it to use the released tag (e.g.,
release-drafter/release-drafter@v7.1.1).
In @.github/workflows/release.yml:
- Line 67: Replace the incorrect commit SHA pinned in the cibuildwheel action
reference (pypa/cibuildwheel@8d2b08b68458a16aeb24b64e68a09ab1c8e82084) with the
correct commit SHA that actually corresponds to the v3.4.1 tag, or simply pin to
the tag itself (pypa/cibuildwheel@v3.4.1); update the uses line so the action
commit/tag matches v3.4.1.
- Line 34: The actions/checkout pin is incorrect: update both occurrences of the
actions/checkout@v6.0.2 entry to use the correct commit SHA
(0c366fd6a839edf440554fa01a7085ccba70ac98) or remove the SHA and use the tag
reference (actions/checkout@v6.0.2) instead; locate the two entries of
actions/checkout@v6.0.2 in the workflow and replace the wrong hash
(de0fac2e4500dabe0009e67214ff5f5447ce83dd) with the correct one or switch them
to the tag-only form.
🪄 Autofix (Beta)
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Run ID: d034a025-55dd-4e73-9ac4-eff2d5ad14ad
📒 Files selected for processing (5)
.github/workflows/ci.yml.github/workflows/docker.yml.github/workflows/labeler.yml.github/workflows/release-drafter.yml.github/workflows/release.yml
bdraco
approved these changes
Apr 13, 2026
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Summary
Pin all GitHub Action and reusable workflow references to their full commit SHAs
instead of mutable tags or branch names.
Closes #1577
Why?
Referencing actions by tag (e.g.,
actions/checkout@v4) is convenient butcarries a supply-chain risk: tags are mutable and can be force-pushed to point
at arbitrary commits. If an action's tag is compromised, every workflow that
references it by tag will silently run the attacker's code.
Pinning to a full 40-character commit SHA (e.g.,
actions/checkout@11bd719...) makes the reference immutable. Even if a tag istampered with, workflows pinned to a SHA will continue to use the exact code
that was reviewed and trusted.
A version comment is included next to each SHA for readability
(e.g.,
actions/checkout@11bd719... # v4.2.2).References