Tech news

Research · Mar 19, 2025

Malicious Code Vulnerability Discovered in reviewdog GitHub Actions

A significant vulnerability has been identified in the reviewdog GitHub Actions, allowing malicious code to expose sensitive secrets in workflow logs.

What changed

  • The compromise occurred on March 11, 2025, between 18:42 and 20:31 UTC.
  • Malicious code affects not only reviewdog/action-setup but also other related actions.

Who is affected

  • Users of reviewdog/action-setup, which installs reviewdog.
  • Developers utilizing reviewdog/action-shellcheck.
  • Those employing reviewdog/action-composite-template and reviewdog/action-staticcheck.
  • Any workflows that integrate these actions are vulnerable, regardless of version or pinning method.

What to do

  • Audit your GitHub Actions for the use of compromised reviewdog actions.
  • Consider removing or replacing affected actions until a fix is confirmed.
  • Monitor for updates from the vendor regarding patches or mitigation strategies.