CVE-2021-39891: GitLab

Medium severity, CVSS 4.9. EPSS: 1% chance of exploitation in the next 30 days.

In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.

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); from 14.3.0, before 14.3.1 (fixed in 14.3.1)

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