CVE-2025-30066: tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability
First published: Sat Mar 15 2025(Updated: )
The tj-actions/changed-files GitHub Action contains an embedded malicious code vulnerability that allows a remote attacker to discover secrets by reading actions 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| tj-action/changed-files | <=45.0.7 | |
| actions/tj-actions/changed-files | <=45.0.7 | 46.0.1 |
| tj-actions changed-files |
Remedy
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://github.com/chains-project/maven-lockfile/pull/1111
- 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/rackerlabs/genestack/pull/903
- https://github.com/tj-actions/changed-files/issues/2463
- https://news.ycombinator.com/item?id=43367987
- https://news.ycombinator.com/item?id=43368870
- https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/
- https://web.archive.org/web/20250315060250/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://www.theregister.com/2025/03/17/supply_chain_attack_github/
- https://www.bleepingcomputer.com/news/security/supply-chain-attack-on-popular-github-action-exposes-ci-cd-secrets/
- https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28
- https://nvd.nist.gov/vuln/detail/CVE-2025-30066
- https://blog.gitguardian.com/compromised-tj-actions/
- 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/issues/2477
- https://sysdig.com/blog/detecting-and-mitigating-the-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://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066
- https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-github-action-cve-2025-30066
- https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised
- https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066
- https://github.com/tj-actions/changed-files/releases/tag/v46.0.1
- https://blog.gitguardian.com/compromised-tj-actions
- https://github.com/advisories/GHSA-mrrh-fwg8-r2c3 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2025-30066?
The severity of CVE-2025-30066 is high due to its potential to expose sensitive information through action logs.
How do I fix CVE-2025-30066?
To fix CVE-2025-30066, upgrade tj-actions changed-files to version 45.0.8 or later.
Who is affected by CVE-2025-30066?
CVE-2025-30066 affects users of tj-actions changed-files version 45.0.7 and earlier.
What type of vulnerability is CVE-2025-30066?
CVE-2025-30066 is a security vulnerability that allows remote attackers to discover secrets via actions logs.
What actions should users take regarding CVE-2025-30066?
Users should review their actions logs for potential exposure of sensitive information and upgrade their tj-actions changed-files installation.
- agent/type
- agent/first-publish-date
- agent/weakness
- agent/author
- collector/nvd-cve
- source/NVD
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/the-register
- source/The Register
- alias/CVE-2025-30066
- agent/severity
- collector/bleeping-computer
- source/BleepingComputer
- agent/news-ai
- agent/remedy
- agent/source
- agent/title
- agent/description
- agent/trending
- collector/cisa-known-exploited
- source/CISA
- exploited/true
- agent/softwarecombine
- collector/nvd-api
- collector/mitre-cve
- source/MITRE
- collector/epss-latest
- source/FIRST
- agent/epss
- agent/last-modified-date
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-mrrh-fwg8-r2c3
- agent/references
- agent/tags
- agent/event
- vendor/tj-actions
- canonical/tj-action/changed-files
- canonical/tj-actions changed-files
- package-manager/actions