CVE-2021-39894: GitLab

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

In all versions of GitLab CE/EE since version 8.0, a DNS rebinding vulnerability exists in Fogbugz importer which may be used by attackers to exploit Server Side Request Forgery attacks.

Affected products

• GitLab GitLab: from 8.0.0, before 14.1.7 (fixed in 14.1.7); from 14.2.0, before 14.2.5 (fixed in 14.2.5); version 14.3.0 only

Published 2021-10-05. Last modified 2026-06-17.