CVE-2026-6269 MEDIUM

CVE-2026-6269: Incorrect Authorization in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-863 · Incorrect authorization
Published June 11, 2026
Last update June 11, 2026

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.

Key dates

02Disclosure timeline

June 11, 2026 CVE published
June 11, 2026 Record updated