CVE-2021-39881: GitLab

Low severity, CVSS 3.5. EPSS: 0.9% chance of exploitation in the next 30 days.

In all versions of GitLab CE/EE since version 7.7, the application may let a malicious user create an OAuth client application with arbitrary scope names which may allow the malicious user to trick unsuspecting users to authorize the malicious client application using the spoofed scope name and description.

Affected products

• GitLab GitLab: from 7.7.0, 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.