GitLab <18.11.6, <19.0.3, <19.1.1: Dev Auth Bypass Pkg Protect, Overwrite Mvn Meta
CVE-2026-5952 Published on June 25, 2026
Incorrect Authorization in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to bypass package protection rules and overwrite protected Maven package metadata due to incorrect authorization checks.
Vulnerability Analysis
CVE-2026-5952 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-5952 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-5952
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Affected Versions
GitLab:- Version 17.11 and below 18.11.6 is affected.
- Version 19.0 and below 19.0.3 is affected.
- Version 19.1 and below 19.1.1 is affected.