Vulnerability details
CVE-2025-30066
Actively exploited
tj-actions changed-files
CVSS 3.1
8.6High
Remedy
Required action (CISA): 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. (due: 2025-04-08)
Versions not listed as affected in the CVE record:
- changed-files — version 46 and later
Official description
tj-actions changed-files before 46 allows remote attackers to discover secrets by reading actions logs. (The tags v1 through v45.0.7 were affected on 2025-03-14 and 2025-03-15 because they were modified by a threat actor to point at commit 0e58ed8, which contained malicious updateFeatures code.)
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.6High | 3.1 | CVEProject cvelistV5 (CNA) (mitre) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| tj-actions | changed-files | 1 ≤ v < 46 | CVEProject cvelistV5 (CNA) |
References and advisories
21- https://github.com/github/docs/blob/962a1c8dccb8c0f66548b324e5b921b5e4fbc3d6/content/actions/security-for-github-actions/security-guides/security-hardening-for-github-actions.md?plain=1#L191-L193
- https://github.com/tj-actions/changed-files/issues/2463
- https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised
- https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/
- https://news.ycombinator.com/item?id=43368870
- https://web.archive.org/web/20250315060250/https://github.com/tj-actions/changed-files/issues/2463
- https://news.ycombinator.com/item?id=43367987
- https://github.com/rackerlabs/genestack/pull/903
- https://github.com/chains-project/maven-lockfile/pull/1111
- https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066/
- https://github.com/espressif/arduino-esp32/issues/11127
- https://github.com/modal-labs/modal-examples/issues/1100
- https://github.com/tj-actions/changed-files/issues/2464
- https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28
- https://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066
- https://www.stream.security/post/github-action-supply-chain-attack-exposes-secrets-what-you-need-to-know-and-how-to-respond
- https://www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack
- https://github.com/tj-actions/changed-files/issues/2477
- https://blog.gitguardian.com/compromised-tj-actions/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30066 government-resource
- https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-github-action-cve-2025-30066
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Details
- Published
- 2025-03-15
- Last updated
- 2026-02-26
- State
- Published
- Assigner (CNA)
- mitre
- Kolun priority
- 78 · High
CISA KEV catalog
- Date added
- 2025-03-18
- Due date
- 2025-04-08
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
72.09%
Probability of exploitation in 30 days
99.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-506Embedded Malicious Code