CVE-2026-2745 MEDIUM

CVE-2026-2745: Authentication Bypass Using an Alternate Path or Channel in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-288
Published March 25, 2026
Last update March 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 7.11 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to bypass WebAuthn two-factor authentication and gain unauthorized access to user accounts due to inconsistent input validation in the authentication process.

Key dates

02Disclosure timeline

March 25, 2026 CVE published
March 26, 2026 Record updated