CVE-2026-3093: GitLab

Medium severity, CVSS 4.7. EPSS: 0.3% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an attacker to execute arbitrary JavaScript in another user's browser via a crafted URL, due to improper sanitization of user-controlled input.

Affected products

• GitLab GitLab: from 14.0.0, before 19.0.5 (fixed in 19.0.5); from 19.1.0, before 19.1.3 (fixed in 19.1.3); version 19.2.0 only

Published 2026-07-29. Last modified 2026-08-03.