CVE-2021-39908: GitLab

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

In all versions of GitLab CE/EE starting from 0.8.0 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI.

Affected products

• GitLab GitLab: from 0.8.0, before 14.2.6 (fixed in 14.2.6); from 14.3.0, before 14.3.4 (fixed in 14.3.4); version 14.4.0 only

Published 2022-04-01. Last modified 2026-06-17.