CVE-2025-10871: GitLab

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab EE affecting all versions from 16.6 before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1. Project Maintainers can exploit a vulnerability where they can assign custom roles to users with permissions exceeding their own, effectively granting themselves elevated privileges.

Affected products

• GitLab GitLab: from 16.6.0, before 18.2.7 (fixed in 18.2.7); from 18.3.0, before 18.3.3 (fixed in 18.3.3); version 18.4.0 only

Published 2025-09-26. Last modified 2026-06-17.