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CVE-2025-30066

HIGH CVSS 3.1: 8.6 EPSS 86.6% ACTIVE EXPLOIT
Updated Nov 05, 2025
Tj-Actions

CISA Known Exploited Vulnerability (KEV)

This vulnerability is actively exploited in the wild. Immediate patching is strongly recommended.

Due Date: Apr 08, 2025

Parameter Value
CVSS 8.6 (HIGH)
Affected Versions before 45.0.7
Type CWE-506
Vendor Tj-Actions
Public PoC Yes

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.)

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

CWE-506

Vulnerable Products 1

tj-actions:changed-files

Known Affected Software Configurations 1

Configuration From (including) Up to (excluding)
Tj-Actions Changed-Files
cpe:2.3:a:tj-actions:changed-files:*:*:*:*:*:*:*:*
 — <= 45.0.7

References 21

https://blog.gitguardian.com/compromised-tj-actions/
cve@mitre.org
https://github.com/chains-project/maven-lockfile/pull/1111
cve@mitre.org
https://github.com/espressif/arduino-esp32/issues/11127
cve@mitre.org
https://github.com/github/docs/blob/962a1c8dccb8c0f66548b324e5b921b5e4fbc3d6/co…
cve@mitre.org
https://github.com/modal-labs/modal-examples/issues/1100
cve@mitre.org
https://github.com/rackerlabs/genestack/pull/903
cve@mitre.org
https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054…
cve@mitre.org
https://github.com/tj-actions/changed-files/issues/2463
cve@mitre.org
https://github.com/tj-actions/changed-files/issues/2464
cve@mitre.org
https://github.com/tj-actions/changed-files/issues/2477
cve@mitre.org
https://news.ycombinator.com/item?id=43367987
cve@mitre.org
https://news.ycombinator.com/item?id=43368870
cve@mitre.org
https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-…
cve@mitre.org
https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-s…
cve@mitre.org
https://web.archive.org/web/20250315060250/https://github.com/tj-actions/change…
cve@mitre.org
https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-fil…
cve@mitre.org
https://www.stream.security/post/github-action-supply-chain-attack-exposes-secr…
cve@mitre.org
https://www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack
cve@mitre.org
https://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-att…
cve@mitre.org
https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-thir…
af854a3a-2127-422b-91ae-364da2661108
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025…
134c704f-9b21-4f2e-91b3-4a467353bcc0
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