CVE-2026-6063 MEDIUM

CVE-2026-6063: Authorization Bypass Through User-Controlled Key in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-639 · IDOR
Published May 14, 2026
Last update May 14, 2026
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 14, 2026 CVE published
May 14, 2026 Record updated