GitLabCVE-2025-12506

GitLab: authenticated user could create a repository

CVE-2025-12506 · Published Jul 8, 2026 · updated Sep 29, 2026

Low3.5

Fix: upgrade to 18.11.7 or later (3 fixed versions below)

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.5 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to create a repository where the content displayed in the web interface differed from the content available for download, due to improper handling of Git reference name resolution.

Affected versions

Package	Affected	Fixed in
GitLab Product	>= 16.5, < 18.11.7	18.11.7
	>= 19.0, < 19.0.4	19.0.4
	>= 19.1, < 19.1.2	19.1.2

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Severity from: the vendor (its own CVE record or advisory)
Weakness: CWE-706

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