CVE-2025-12653

Published November 26th, 2025

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CVSS v3

6.5

MEDIUM

CVSS v2

N/A

Affected

PROJECT

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.

gitlab-org/gitlab

GitLab is the open-source DevSecOps platform that provides a complete software development lifecycle toolchain including source control, CI/CD, security scanning, and project management in a single application.

GitLab

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