8.7

CVE-2026-6552

Exploit

Authorization Bypass Through User-Controlled Key in GitLab

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gitlab ≫ GitLab SwEditioncommunity Version >= 15.5.0 < 18.10.8
Gitlab ≫ GitLab SwEditionenterprise Version >= 15.5.0 < 18.10.8
Gitlab ≫ GitLab SwEditioncommunity Version >= 18.11.0 < 18.11.5
Gitlab ≫ GitLab SwEditionenterprise Version >= 18.11.0 < 18.11.5
Gitlab ≫ GitLab SwEditioncommunity Version >= 19.0.0 < 19.0.2
Gitlab ≫ GitLab SwEditionenterprise Version >= 19.0.0 < 19.0.2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.28% 0.194
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cve@gitlab.com 8.7 2.3 5.8
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
CWE-639 Authorization Bypass Through User-Controlled Key

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

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