Improper access control in GitLab Enterprise Edition - CVE-2026-86341

 

Improper access control in GitLab Enterprise Edition - CVE-2026-86341

Published: September 11, 2026


Vulnerability identifier: #VU149017
CSH Severity: Low
CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-86341
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform unapproved deployments to production.

The vulnerability exists due to improper access control checks in protected environment approval rules when modifying protected resources. A remote privileged user can disable protected environment deployment approval requirements to perform unapproved deployments to production.


Affected software

GitLab Enterprise Edition

How to mitigate CVE-2026-86341

Install security update from vendor's website.

GitLab Enterprise Edition - addressed in versions 19.1.8, 19.2.6, 19.3.2

External References

Related Security Bulletins