CVE-2025-30066
tj-actions/changed-files GitHub Action contains an embedded malicious code vulnerability that allows a remote attacker to discover secrets by…
Browse: All 2025 CVEs · All vendors
- CVSS score
- 8.6 High
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N- CISA KEV
- Yes — actively exploited (added 2025-03-18, remediation due 2025-04-08)
- Weakness (CWE)
- CWE-506, NVD-CWE-Other
- Published
- 2025-03-15
- Last modified
- 2026-06-17
- NVD status
- Analyzed
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.
Affected products
- tj-actions changed-files
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
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. Federal remediation deadline: 2025-04-08.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
References
- https://blog.gitguardian.com/compromised-tj-actions/
- https://github.com/chains-project/maven-lockfile/pull/1111
- https://github.com/espressif/arduino-esp32/issues/11127
- 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/modal-labs/modal-examples/issues/1100
- https://github.com/rackerlabs/genestack/pull/903
- https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28
- https://github.com/tj-actions/changed-files/issues/2463
FAQ
Is CVE-2025-30066 actively exploited?
Yes. CISA added CVE-2025-30066 to its Known Exploited Vulnerabilities (KEV) catalog on 2025-03-18, with a federal remediation deadline of 2025-04-08. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2025-30066?
CVE-2025-30066 has a CVSS base score of 8.6 (High). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.
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Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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