CVE-2025-12506

LowCVSS 3.5

Published: 08/07/2026(UTC)Updated: 09/07/2026(UTC)Translated: 10/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.19%

8th percentile - higher than 8% of all known CVEs

Summary

A vulnerability in GitLab CE/EE allows an authenticated user to create a repository where the content displayed in the web interface differs from the content available for download. The issue is due to improper handling of Git reference name resolution and affects versions from 16.5 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2.

Risk Assessment

The risk is that users or automated systems fetching code may be misled, potentially executing an unexpected or malicious version of the source code.

Recommendation

Immediately upgrade GitLab CE/EE to version 18.11.7, 19.0.4, or 19.1.2, depending on the release branch in use.

Original NVD description (English source)

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.