GitLab API Auth Bypass: Maintainer Can Alter Protected Branches v12.819.2
CVE-2026-14341 Published on July 29, 2026
Missing Authorization in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user with Maintainer role to modify protected branch configuration due to improper authorization in a projects API endpoint.
Vulnerability Analysis
CVE-2026-14341 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2026-14341. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-14341 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-14341
Want to know whenever a new CVE is published for GitLab? stack.watch will email you.
Affected Versions
GitLab:- Version 12.8 and below 19.0.5 is affected.
- Version 19.1 and below 19.1.3 is affected.
- Version 19.2 and below 19.2.1 is affected.