CVE-2025-11984

Published: Dec 11, 2025Modified: Oct 14, 2026

6.8

Vector

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

Exploitability: 1.6 / Impact: 5.2

Source: cve@gitlab.com (Secondary)

Description

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.

Affected (6)

Products: Gitlab: Gitlab

Gitlab

1 product

Gitlab

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Gitlab Gitlab	13.1.0 ≤ version < 18.4.6
Gitlab Gitlab	18.5.0 ≤ version < 18.5.4
Gitlab Gitlab	18.6.0 ≤ version < 18.6.2
Gitlab Gitlab	13.1.0 ≤ version < 18.4.6
Gitlab Gitlab	18.5.0 ≤ version < 18.5.4
Gitlab Gitlab	18.6.0 ≤ version < 18.6.2

Related CWEs

CWE-288

Authentication Bypass Using an Alternate Path or Channel

A product requires authentication, but the product has an alternate path or channel that does not require authentication.

References (3)

https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/

Source: cve@gitlab.com

Release NotesVendor Advisory

https://gitlab.com/gitlab-org/gitlab/-/issues/577847

Source: cve@gitlab.com

Broken Link

https://hackerone.com/reports/3322714

Source: cve@gitlab.com

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Timeline

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