Research · Mar 19, 2025 · ZeroDay Catalog
Malicious Code Vulnerability Discovered in reviewdog GitHub Actions
A critical vulnerability has been identified in the reviewdog GitHub Actions, allowing the exposure of sensitive information through embedded malicious code.
What changed
A significant security vulnerability has been detected in the reviewdog/action-setup GitHub Action. On March 11, 2025, the action was compromised, leading to the injection of malicious code that can dump sensitive secrets into GitHub Actions Workflow Logs.
This vulnerability affects not only the compromised action but also other related reviewdog actions, regardless of their version or pinning methods.
Who is affected
The vulnerability impacts various users and products associated with reviewdog GitHub Actions. Organizations utilizing these actions should be particularly vigilant.
The following products and actions are affected by this vulnerability:
- reviewdog/action-setup
- reviewdog/action-shellcheck
- reviewdog/action-composite-template
- reviewdog/action-staticcheck
What to do
Organizations using the affected reviewdog actions should take immediate action to mitigate risks. It is crucial to review workflows and logs for any exposed secrets.
Consider the following steps to enhance security:
- Remove or disable the affected actions from workflows until a patch is available.
- Audit GitHub Actions Workflow Logs for any unauthorized access or data exposure.
- Implement additional security measures, such as secret scanning and monitoring for unusual activity.