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.

A privilege escalation issue has been discovered in GitLab EE affecting all versions from 16.6 prior to 18.2.7, 18.3 prior to 18.3.3, and 18.4 prior to 18.4.1 that could have allowed a developer with specific group management permissions to escalate their privileges and obtain unauthorized access to additional system capabilities.

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 to 18.3.4, 18.4 to 18.4.2 that, under certain conditions, could have allowed authenticated users with read-only API tokens to perform unauthorized write operations on vulnerability records by exploiting incorrectly scoped GraphQL mutations.