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GhostAction used compromised GitHub accounts to place credential-stealing workflows across thousands of repositories. The visible file is only one part of the incident: teams also need to revoke the entry credential, rotate what the workflow could read, and inspect what that authority could reach.
Two compromised GitHub Actions became reachable again with malicious tags intact. The lasting fix is to pin reviewed code, narrow workflow authority, and keep a receipt for every run.
Learn how to use GitHub Actions to automate security scans and identify vulnerabilities in your codebase.