CVE-2025-5315: GitLab

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.2 before 17.11.5, 18.0 before 18.0.3, and 18.1 before 18.1.1 that could have allowed authenticated users with Guest role permissions to add child items to incident work items by sending crafted API requests that bypassed UI-enforced role restrictions.

Affected products

• GitLab GitLab: from 17.2.0, before 17.11.5 (fixed in 17.11.5); from 18.0.0, before 18.0.3 (fixed in 18.0.3); version 18.1.0 only

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