tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability (CVE-2025-30066)
Severity: high · Patch status: unknown · Since 2025-03-18 · CVE-2025-30066
tj-actions/changed-files GitHub Action contains an embedded malicious code vulnerability that allows a remote attacker to discover secrets by reading Github Actions Workflow Logs. These secrets may include, but are not limited to, valid AWS access keys, GitHub personal access tokens (PATs), npm tokens, and private RSA keys. CISA added CVE-2025-30066 to its Known Exploited Vulnerabilities catalog on Mar 18, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations as set forth in the CISA instructions linked below. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Apr 8, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch