CVE-2026-13320: GitLab

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.

Affected products

• GitLab GitLab: from 15.7.0, before 18.11.7 (fixed in 18.11.7); from 19.0.0, before 19.0.4 (fixed in 19.0.4); from 19.1.0, before 19.1.2 (fixed in 19.1.2)

Published 2026-07-08. Last modified 2026-07-09.