CVE-2025-30066: in the CISA KEV catalogue
tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability. CISA added CVE-2025-30066 to the Known Exploited Vulnerabilities catalogue on 2025-03-18 with a default due date of 2025-04-08. Known ransomware campaign use: Unknown. Forensic triage flag: No.
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 description)
- Vendor / product
- tj-actions changed-files GitHub Action
- CWE
- CWE-506
- CISA required 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.
- EPSS
- 72%, percentile 99 (scored 2026-11-03)
EPSS puts about 72 in 100 odds (72%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
- https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-tj-actionschanged-files-cve-2025-30066-and-reviewdogaction
- https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28
- https://nvd.nist.gov/vuln/detail/CVE-2025-30066
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2025-30066 in the CISA KEV catalogue?
Yes. CISA added CVE-2025-30066 (tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2025-03-18. CISA's default due date for it is 2025-04-08.
Is CVE-2025-30066 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2025-30066. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2025-30066?
CISA's required 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.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2025-30066