What is CVE-2025-30066?
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.)
The record classifies CVE-2025-30066 under weakness classes CWE-506, NVD-CWE-Other. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 594 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 8.6 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - EPSS (FIRST)
- 72.0% probability of exploitation in the next 30 days, higher than 99.4% of all scored CVEs
- CISA KEV
- Listed since 2025-03-18, federal remediation deadline 2025-04-08
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2025-03-15, last modified 2026-02-26
Is CVE-2025-30066 being exploited?
CISA added CVE-2025-30066 to the Known Exploited Vulnerabilities catalog on 2025-03-18, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2025-04-08 under BOD 22-01. Weaponised exploit code for CVE-2025-30066 is publicly available. 3 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 53 in the Threadlinqs vulnerability feed.
- Checkmarx/Checkmarx-CVE-2025-30066-Detection-Tool (github)
- Super-Vulnerable-Org/compromised-action (github)
- trickest/cve (trickest)
Affected products and versions
- Tj-actions: Changed-files
How to fix CVE-2025-30066
The record marks a vendor fix as available for CVE-2025-30066. Because CVE-2025-30066 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2025-04-08. No patch URL is recorded on this row, so the fixed version has to be read from the vendor advisory in the sources below.
Threat activity tracking CVE-2025-30066
4 tracked threats in the Threadlinqs corpus reference CVE-2025-30066, either in the campaign’s CVE list or as an indicator on the campaign record.
- CI/CD Runner Memory-Dump Credential Theft (CVE-2025-8217 technique): Runtime Security for AWS CodeBuild-Hosted GitHub Actions Runners — HIGH · 2026-10-23
- GitHub Actions Supply Chain Attack: tj-actions & reviewdog Compromise (CVE-2025-30066, CVE-2025-30154) — CRITICAL · 2026-08-24
- 36-Month Precision Supply Chain Campaign Targeting DevSecOps Infrastructure (CVE-2024-3094, CVE-2025-30066, CVE-2025-30154) — CRITICAL · 2026-04-01
- Supply Chain Attacks on Crypto Ecosystem via Developer Toolchain Compromise — HIGH · 2026-03-19
Sources
Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, public proof-of-concept repositories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.
Other references
Showing 5 of 19 recorded references.