Cybersecurity researchers are calling attention to an incident in which the popular GitHub Action tj-actions/changed-files was compromised to leak secrets from repositories using the continuous integration and continuous delivery (CI/CD) workflow. The incident involved the tj-actions/changed-files GitHub Action, which is used in over 23,000 repositories. It's used to track and retrieve all changed files and directories. The supply chain compromise has been assigned the CVE identifier CVE-2025-30066 (CVSS score: 8.6). The incident is said to have taken place sometime before March 14, 2025.

‍