CVE-2026-6063
Authorization Bypass Through User-Controlled Key in GitLab
4.3
MEDIUM
CVSS 3.1
EPSS 0.01%
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.
How to fix CVE-2026-6063
To remediate CVE-2026-6063, upgrade the affected package to a fixed version below.
- —upgrade to 18.9.7 or later
Is CVE-2026-6063 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 11.10.0, < 18.9.7, >= 18.10.0, < 18.10.6, >= 18.11.0, < 18.11.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |