Pin actions/checkout to immutable SHA across all workflow files#21
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pmalarme merged 2 commits intofeature/add-documentation-and-copilot-instructionsfrom Feb 19, 2026
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Co-authored-by: pmalarme <686568+pmalarme@users.noreply.github.com>
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[WIP] Address feedback on documentation and copilot instructions
Pin actions/checkout to immutable SHA across all workflow files
Feb 19, 2026
pmalarme
merged commit 7257783
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feature/add-documentation-and-copilot-instructions
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All workflow files were referencing
actions/checkout@v6— a mutable (and non-existent) tag, exposing workflows to both runtime failures and supply-chain substitution attacks.Changes
actions/checkout@v6with the SHA-pinned equivalent in all 8 workflow files:monorepo-release.ymlpython-code-quality.ymlpython-tests.ymlpython-package-build.ymlpython-docker-build.yml(2 steps)python-release.ymlpython-docs.ymlcodeql-analysis.ymlBefore:
After:
SHA matches what
security-review.lock.ymlalready uses as the canonical pinned reference.Testing
uv run poe check@v*checkout references via grep.Checklist
Additional context
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