CVE-2025-12506

Use of Incorrectly-Resolved Name or Reference in GitLab

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

GitLab

CVSS v3.1 NVD

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 GITLAB

3.5 LOWCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

EPSS

0.33% chance of exploitation in the next 30 days, 24th percentile

Published

2026-07-08

Updated

2026-07-09

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3351460

Security advisories

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released

References

• CVE Record
• NVD entry