CVE-2026-6552

HIGH CVSS 8.7 View on NVD ↗

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 15.5 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 group Owner role to take over another group member's GitLab account due to improper authorization in the Group SAML identity management functionality.

CVSS Vector

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

Affected Products

gitlab/gitlab

References

https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/597295
https://hackerone.com/reports/3655189

Published: Jun 11, 2026 12:16 UTC Modified: Jun 11, 2026 17:36 UTC