CVE-2018-19576: GitLab

High severity, CVSS 8.1. EPSS: 1.2% chance of exploitation in the next 30 days.

GitLab CE/EE, versions 8.6 up to 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, are vulnerable to an access control issue that allows a Guest user to make changes to or delete their own comments on an issue, after the issue was made Confidential.

Affected products

• GitLab GitLab: from 8.6.0, before 11.3.11 (fixed in 11.3.11); from 11.4.0, before 11.4.8 (fixed in 11.4.8); from 11.5.0, before 11.5.1 (fixed in 11.5.1)

Published 2019-07-10. Last modified 2026-06-17.