CVE-2025-30066—tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability

Vulnerability Name

tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability

Description

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

Action

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.

Additional Notes

• This vulnerability affects a common open-source project, third-party library, or a protocol used by different products. For more information, please see: CISA Mitigation Instructions: https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-tj-actionschanged-files-cve-2025-30066-and-reviewdogaction
• Additional References: https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28
• https://nvd.nist.gov/vuln/detail/CVE-2025-30066

Related News Articles

• Coinbase Initially Targeted in GitHub Actions Supply Chain Attack; 218 Repositories' CI/CD Secrets ExposedMarch 23, 2025
• CISA Warns of Active Exploitation in GitHub Action Supply Chain CompromiseMarch 19, 2025

Related Weaknesses

• CWE-506