PT-2026-48650 · Gitlab · Gitlab

Published 2026-06-11 · Updated 2026-06-11 · CVE-2026-6269

NVD

CVSS v3.1

5.4

Medium

Base vector

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

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.

Exploit

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-6269

Affected Products

Gitlab

References · 4

• 🔥 https://hackerone.com/reports/3661880 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6269 · Security Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/596625 · Note
• https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released · Note