CVE-2025-12653

MediumCVSS 6.5/10Last modified Oct 18, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-290

Affected software

No affected versions have been published.

Timeline

Published
Nov 26, 2025
Last modified
Oct 18, 2026
NVD status
Modified

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CVE-2025-12653: Medium severity, CVSS 6.5 | Vulnix