{"id":"CVE-2025-30066","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-30066","generatedAt":"2026-10-31T08:11:48.281Z","title":"tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability","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.)","published":"2025-03-15T06:15:12.000Z","lastModified":"2026-09-24T13:10:00.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.6,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},"cwe":["CWE-506"],"affected":["tj-actions/changed-files"],"epss":{"score":0.72092,"percentile":0.9943,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.72092,"percentile":0.99414}]},"kev":{"listed":true,"dateAdded":"2025-03-18","dueDate":"2025-04-08","knownRansomwareCampaignUse":"Unknown","notes":"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.\nThis 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"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 8 April 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://blog.gitguardian.com/compromised-tj-actions/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/chains-project/maven-lockfile/pull/1111","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://github.com/espressif/arduino-esp32/issues/11127","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"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","tags":["Product"],"source":"cve@mitre.org"},{"url":"https://github.com/modal-labs/modal-examples/issues/1100","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://github.com/rackerlabs/genestack/pull/903","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28","tags":["Product"],"source":"cve@mitre.org"},{"url":"https://github.com/tj-actions/changed-files/issues/2463","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://github.com/tj-actions/changed-files/issues/2464","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://github.com/tj-actions/changed-files/issues/2477","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://news.ycombinator.com/item?id=43367987","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://news.ycombinator.com/item?id=43368870","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066/","tags":["Mitigation","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://web.archive.org/web/20250315060250/https://github.com/tj-actions/changed-files/issues/2463","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised","tags":["Exploit","Mitigation","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.stream.security/post/github-action-supply-chain-attack-exposes-secrets-what-you-need-to-know-and-how-to-respond","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-github-action-cve-2025-30066","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30066","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-30066","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}