Main Vulnerability Database Vulnerabilities #VU135180

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: 5.3 [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]

CVE-ID: CVE-2026-5952

CWE-ID: CWE-863

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

GitLab Enterprise Edition
Gitlab Community Edition

How to mitigate CVE-2026-5952

Install security update from vendor's website.

GitLab Enterprise Edition - addressed in versions 18.11.6, 19.0.3, 19.1.1
Gitlab Community Edition - addressed in versions 18.11.6, 19.0.3, 19.1.1

External References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/

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