Description

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.

INFO

Published Date :

2025-11-26T19:46:12.641Z

Last Modified :

2025-11-26T19:46:12.641Z

Source :

GitLab
AFFECTED PRODUCTS

The following products are affected by CVE-2025-12653 vulnerability.

Vendors Products
Gitlab
  • Gitlab
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-12653.

URL Resource
https://gitlab.com/gitlab-org/gitlab/-/issues/579372 cve-icon cve-icon
https://hackerone.com/reports/3370245 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact