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GHA-003Low severity-4 points

Action reference has no version

Part of Security, which counts for 30% of the overall score. When this check fires it deducts 4 points from that category, once per scan, no matter how many places it turns up.

What it detects

A remote action is referenced with no @ref at all. GitHub resolves this to the action default branch, which is mutable, and the reference is not reproducible across runs.

Why it matters

An action referenced with no @ref resolves to the action default branch, which is mutable and not reproducible. Two runs a week apart can execute different code, and you have no record of what version actually ran.

How to fix it

Add an explicit ref to every remote action, ideally a full commit SHA with the version in a comment, or at minimum a version tag. Local actions referenced as ./path do not need a ref.

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