Incorrect Privilege Assignment in GitLab Enterprise Edition - CVE-2025-9486
Published: August 13, 2026
Vulnerability identifier: #VU142374
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-9486
CWE-ID: CWE-266
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to assign custom role permissions to a user with a pending membership.
The vulnerability exists due to incorrect privilege assignment in custom roles when applying permissions without accounting for membership state. A remote privileged user can assign a custom role to assign custom role permissions to a user with a pending membership.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2025-9486
Install security update from vendor's website.
GitLab Enterprise Edition - addressed in versions 19.0.6, 19.1.4, 19.2.2