Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-30066

92
FAUCET Score

CVE-2025-30066 is a critical supply chain vulnerability affecting tj-actions changed-files, allowing remote attackers to discover secrets by reading action logs. This vulnerability, rated 8.6 HIGH (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N), stems from a threat actor modifying older tags (v1-v45.0.7) to point to malicious code. The potential impact is severe, with a FAUCET Risk Score of 100/100 and an EPSS score indicating high exploitability. This CVE is actively exploited (KEV), has garnered significant community discussion (18 mentions), and extensive media coverage, despite no public exploit code being available in Metasploit, Nuclei, or ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
<= 45.0.7CPE matchmatch criteria
cpe:2.3:a:tj-actions:changed-files:*:*:*:*:*:*:*:*
>= 1, < 46CPE match
cpe:2.3:a:tj-actions:changed-files:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
72.39%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Mar 18, 2025
This CVE's current EPSS score of 0.7239 is in the 99th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

actionspatch availablevia ghsa
Product: tj-actions/changed-filesFixed in: 46.0.1

Vendor Advisories (1)

actionsGHSA-mrrh-fwg8-r2c3high

tj-actions changed-files through 45.0.7 allows remote attackers to discover secrets by reading actions logs.

Mar 15, 2025

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
cisa.gov / news-events/alerts/2025/03/18/supply-chain-compromise-third-party-github-action-cve-2025-30066
Third Party AdvisoryUS Government Resource
blog.gitguardian.com / compromised-tj-actions
ExploitThird Party Advisory
github.com / chains-project/maven-lockfile/pull/1111
Issue Tracking
github.com / espressif/arduino-esp32/issues/11127
Issue Tracking
github.com / github/docs/blob/962a1c8dccb8c0f66548b324e5b921b5e4fbc3d6/content/actions/security-for-github-actions/security-guides/security-hardening-for-github-actions.md
Product
github.com / modal-labs/modal-examples/issues/1100
Issue Tracking
github.com / rackerlabs/genestack/pull/903
Issue Tracking
github.com / tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md
Product
github.com / tj-actions/changed-files/issues/2463
Issue Tracking
github.com / tj-actions/changed-files/issues/2464
Issue Tracking
github.com / tj-actions/changed-files/issues/2477
Issue Tracking
news.ycombinator.com / item
Issue TrackingThird Party Advisory
news.ycombinator.com / item
Issue TrackingThird Party Advisory
semgrep.dev / blog/2025/popular-github-action-tj-actionschanged-files-is-compromised
Third Party Advisory
sysdig.com / blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066
MitigationThird Party Advisory
web.archive.org / web/20250315060250/https://github.com/tj-actions/changed-files/issues/2463
Issue Tracking
stepsecurity.io / blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised
ExploitMitigationThird Party Advisory
stream.security / post/github-action-supply-chain-attack-exposes-secrets-what-you-need-to-know-and-how-to-respond
Third Party Advisory
sweet.security / blog/cve-2025-30066-tj-actions-supply-chain-attack
Third Party Advisory
wiz.io / blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066
Third Party Advisory