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.

SeverityMedium

CVSS4.3

Exploit probability—

Product

Gitlab

PublishedMay 14, 2026

First seenMay 14, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

gitlab gitlab18.9.7, 18.10.6, 18.11.3 or later

Affected products

Product	Affected versions	Fixed in
gitlab gitlab	11.10.0 ≤ v < 18.9.7, 18.10.0 ≤ v < 18.10.6, 18.11.0 ≤ v < 18.11.3	18.9.7, 18.10.6, 18.11.3

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