CVE-2026-6063

medium

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control.

References

https://hackerone.com/reports/3649087

https://gitlab.com/gitlab-org/gitlab/-/work_items/596332

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/

Details

Source: Mitre, NVD

Published: 2026-05-14

Updated: 2026-05-14

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.0001