CVE-2025-12983

—

CVSS 3.1

6.5 medium

EPSS

<1%p35

Published

Nov 15, 2025 (Nov 15, 2025)

Modified

Jun 17, 2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to cause a denial of service condition by submitting specially crafted markdown content with nested formatting patterns.

Vendors: gitlab
Products: gitlab
Weakness: CWE-789
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news0 stories

No ingested article mentions this CVE yet.