CVE-2023-5600: GitLab

Low severity, CVSS 3.1. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. Arbitrary access to the titles of an private specific references could be leaked through the service-desk custom email template.

Affected products

• GitLab GitLab: from 16.0.0, before 16.3.6 (fixed in 16.3.6); from 16.4.0, before 16.4.2 (fixed in 16.4.2); version 16.5.0 only

Published 2025-06-20. Last modified 2026-06-17.