ci: pin GitHub Actions to commit SHAs - #55
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Tags are mutable. A compromised action owner can move a tag and run code with the workflow secrets. A full SHA is immutable. Dependabot updates the github-actions ecosystem weekly to keep the pins current.
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Why
Tags are mutable. A compromised action owner can move a tag and run code with the workflow secrets. A full commit SHA is immutable.
What
@v4) resolve to the newest release in the same major. No major version changes.pypa/gh-action-pypi-publish@release/v1resolves to v1.14.2, the tip ofrelease/v1.docker/*actions already had SHAs. They get tag comments: login v1.10.0, metadata v3.3.0, build-push v2.5.0. These versions are old. A separate change can upgrade them..github/dependabot.ymlwith thegithub-actionsecosystem, weekly. Dependabot keeps the SHAs and the tag comments current.