CVE-2019-15592: GitLab

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

GitLab 12.2.2 and below contains a security vulnerability that allows a guest user in a private project to see the merge request ID associated to an issue via the activity timeline.

Affected products

• GitLab GitLab: from 11.2.0, 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 2020-02-14. Last modified 2026-06-17.