GitLab Repo Creation Web-Download Mismatch via Improper Git Ref (18.11.7)
CVE-2025-12506 Published on July 8, 2026
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.
Vulnerability Analysis
CVE-2025-12506 is exploitable with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
Use of Incorrectly-Resolved Name or Reference
The software uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.
Products Associated with CVE-2025-12506
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Affected Versions
GitLab:- Version 16.5 and below 18.11.7 is affected.
- Version 19.0 and below 19.0.4 is affected.
- Version 19.1 and below 19.1.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.