CVE-2026-2238: GitLab

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an unauthenticated user to view confidential issue references on public projects due to improper authorization checks.

Affected products

• GitLab GitLab: from 17.5.0, before 18.11.6 (fixed in 18.11.6); from 19.0.0, before 19.0.3 (fixed in 19.0.3); version 19.1.0 only

Published 2026-06-25. Last modified 2026-06-26.