CVE-2026-6552
HIGH
8.7
CVSS Severity Score
Vulnerability 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.
Affected Platforms (CPE)
📦
Gitlab
Gitlab
>= 15.5.0 and < 18.10.8📦
Gitlab
Gitlab
>= 15.5.0 and < 18.10.8📦
Gitlab
Gitlab
>= 18.11.0 and < 18.11.5📦
Gitlab
Gitlab
>= 18.11.0 and < 18.11.5📦
Gitlab
Gitlab
>= 19.0.0 and < 19.0.2📦
Gitlab