Incorrect authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-5952

 

Incorrect authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-5952

Published: June 25, 2026


Vulnerability identifier: #VU135180
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-5952
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GitLab, Inc
Affected software:
GitLab Enterprise Edition
Gitlab Community Edition

Detailed vulnerability description

The vulnerability allows a remote user to overwrite protected Maven package metadata.

The vulnerability exists due to incorrect authorization in maven package registry when enforcing package protection rules. A remote user can bypass package protection rules to overwrite protected Maven package metadata.


How to mitigate CVE-2026-5952

Install security update from vendor's website.

Sources