Threat Intelligence / CVE / CVE-2025-30066

CVE-2025-30066 — Tj-actions Changed-files

CISA KEV

CVSS v3.1 8.6 (HIGH) · EPSS 91.3% (higher than 99.6% of all scored CVEs) · Priority 9/10 · Published 2025-03-15

As of 2025-11-05, CVE-2025-30066 is a HIGH-severity vulnerability in Tj-actions Changed-files, CVSS v3.1 8.6, EPSS 91.3% (99.6th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-03-18), with a US federal remediation deadline of 2025-04-08. Threadlinqs Intelligence links 3 tracked threat campaigns to CVE-2025-30066, most recently “GitHub Actions Supply Chain Attack: tj-actions & reviewdog Compromise (CVE-2025-30066, CVE-2025-30154)”.

Last updated: 2025-11-05

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 547 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): 91.3% probability of exploitation in the next 30 days, higher than 99.6% 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 2025-11-05

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. It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.

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

3 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.

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

Seeded from NVD and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2025-30066 are available via the Threadlinqs MCP server (Purple tier). View plans →

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