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DevSecOps

Mutable Tags Strike Again: actions-cool GitHub Action Tags Redirected to Imposter Commits (May 2026)

In May 2026, every tag on actions-cool/issues-helper and 15 tags on maintain-one-comment were quietly moved to point at imposter commits that stole CI/CD credentials from runner memory. A look at the mutable-tag attack class and how to defeat it.

May 21, 202610 min read

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