GitLab Guest access to sensitive virtual registry info (CE/EE 18.4.1)
CVE-2025-9958 Published on September 26, 2025
Insertion of Sensitive Information Into Sent Data in GitLab
An issue has been discovered in GitLab CE/EE affecting all versions from 14.10 before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1, that could have allowed Guest users to access sensitive information stored in virtual registry configurations.
Vulnerability Analysis
CVE-2025-9958 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 high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Insertion of Sensitive Information Into Sent Data
The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor. Sensitive information could include data that is sensitive in and of itself (such as credentials or private messages), or otherwise useful in the further exploitation of the system (such as internal file system structure).
Products Associated with CVE-2025-9958
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Affected Versions
GitLab:- Version 14.10 and below 18.2.7 is affected.
- Version 18.3 and below 18.3.3 is affected.
- Version 18.4 and below 18.4.1 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.