6.5

CVE-2025-12653

Exploit

Authentication Bypass by Spoofing in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that under specific conditions could have allowed an unauthenticated user to join arbitrary organizations by changing headers on some requests.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gitlab ≫ GitLab SwEdition community Version >= 18.3.0 < 18.4.5
Gitlab ≫ GitLab SwEdition enterprise Version >= 18.3.0 < 18.4.5
Gitlab ≫ GitLab SwEdition community Version >= 18.5.0 < 18.5.3
Gitlab ≫ GitLab SwEdition enterprise Version >= 18.5.0 < 18.5.3
Gitlab ≫ GitLab Version 18.6.0 SwEdition community
Gitlab ≫ GitLab Version 18.6.0 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 0.28% 0.204
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cve@gitlab.com 6.5 3.9 2.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE-290 Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

https://gitlab.com/gitlab-org/gitlab/-/issues/579372
Broken Link
https://hackerone.com/reports/3370245
Permissions Required
https://about.gitlab.com/releases/2025/11/26/patch-release-gitlab-18-6-1-released/