CVE-2019-15731: GitLab

Medium severity, CVSS 5.3. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered in GitLab Community and Enterprise Edition 12.0 through 12.2.1. Non-members were able to comment on merge requests despite the repository being set to allow only project members to do so.

Affected products

• GitLab GitLab: from 12.0.0, before 12.0.8 (fixed in 12.0.8); from 12.1.0, before 12.1.8 (fixed in 12.1.8); from 12.2.0, before 12.2.3 (fixed in 12.2.3)

Published 2019-09-16. Last modified 2026-06-17.