Improper Authorization in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-6883
Published: May 18, 2026
Vulnerability identifier: #VU131689
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-6883
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to bypass merge request approval requirements.
The vulnerability exists due to improper cleanup of orphaned policy records in Security Policy Project Reassignment when reassigning security policy projects. A remote user can trigger the affected reassignment state to bypass merge request approval requirements.
User interaction is required.
Affected software
Gitlab Community Edition
GitLab Enterprise Edition
GitLab Enterprise Edition
How to mitigate CVE-2026-6883
Install security update from vendor's website.
Gitlab Community Edition - addressed in versions 18.9.7, 18.10.6, 18.11.3
GitLab Enterprise Edition - addressed in versions 18.9.7, 18.10.6, 18.11.3
GitLab Enterprise Edition - addressed in versions 18.9.7, 18.10.6, 18.11.3