CVE-2026-6269

medium

Description

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.

References

https://hackerone.com/reports/3661880

https://gitlab.com/gitlab-org/gitlab/-/work_items/596625

https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/

Details

Source: Mitre, NVD

Published: 2026-06-11

Updated: 2026-06-15

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.4

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

Severity: Medium

EPSS

EPSS: 0.0001