Overview
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.
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
Key Details
| Property | Value |
|---|
| CVE ID |
CVE-2025-30066 |
| Vendor / Product |
tj-actions — changed-files GitHub Action |
| NVD Published | 2025-03-15 |
| NVD Last Modified | 2025-11-05 |
| CVSS 3.1 Score | 8.6 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
| Severity | HIGH |
| CWE |
CWE-506
|
| CISA KEV Added | 2025-03-18 |
| CISA KEV Deadline | 2025-04-08 |
| Known Ransomware Use |
No |
Required Action
CISA BOD 22-01 Deadline: 2025-04-08.
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.
Timeline
| Date | Event |
|---|
| 2025-03-18 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2025-04-08 | CISA BOD 22-01 remediation deadline |