What is CVE-2025-66149?

CVE-2025-66149 is a medium-severity vulnerability in Merkulove Ungrabber, classified under Missing Authorization. CVSS score: 5.4/10. Published 2025-12-31.

How severe is CVE-2025-66149?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Merkulove Ungrabber

CVE-2025-66149

Missing Authorization vulnerability in merkulove UnGrabber ungrabber allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects UnGrabber: from n/a through <= 3.1.3.

Vulnerability class: Broken Access Control

EPSS: 0.002 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Merkulove Ungrabber — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-66149?: CVE-2025-66149 is a medium-severity vulnerability in Merkulove Ungrabber, classified under Missing Authorization. CVSS score: 5.4/10. Published 2025-12-31.
How severe is CVE-2025-66149?: Medium severity. CVSS v3 base score is 5.4 out of 10.