GitLab API Private Project Name Disclosure (v17.518.6.2)
CVE-2025-13978 Published on December 11, 2025
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to discover the names of private projects they do not have access through API requests.
Vulnerability Analysis
CVE-2025-13978 is exploitable with network access, and requires 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 a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
Generation of Error Message Containing Sensitive Information
The software generates an error message that includes sensitive information about its environment, users, or associated data.
Products Associated with CVE-2025-13978
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Affected Versions
GitLab:- Version 17.5 and below 18.4.6 is affected.
- Version 18.5 and below 18.5.4 is affected.
- Version 18.6 and below 18.6.2 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.