5.4

CVE-2026-4398

Authorization Bypass Through User-Controlled Key in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own project, due to missing namespace validation on self-managed instances.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gitlab ≫ GitLab SwEdition enterprise Version >= 18.3.0 < 19.1.7
Gitlab ≫ GitLab SwEdition enterprise Version >= 19.2.0 < 19.2.5
Gitlab ≫ GitLab Version 19.3.0 SwEdition enterprise
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.152
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cve@gitlab.com 5.4 2.8 2.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/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://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/
Vendor Advisory
Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/600360
Broken Link
https://hackerone.com/reports/3549150
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