CVE-2025-11984 MEDIUM

CVE-2025-11984: Authentication Bypass Using an Alternate Path or Channel in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-288
Published December 11, 2025
Last update February 26, 2026

CVSS base score

6.8/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to bypass WebAuthn two-factor authentication by manipulating the session state under certain conditions.

Key dates

02Disclosure timeline

December 11, 2025 CVE published
February 26, 2026 Record updated