CVE-2025-12506

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.

CVSS v3.1

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

CVSS v3.1

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, 25th percentile

Published

2026-07-08

Updated

2026-07-09

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2025-12502
• CVE-2025-12536
• CVE-2025-1250
• CVE-2025-12539
• CVE-2025-12480
• CVE-2025-12546