GitLab EE Info Leak via MR Comment Prompts (17.8-<18.3.6, 18.4-<18.4.4, 18.5-<18.5.2)
CVE-2025-6945 Published on November 15, 2025
GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to leak sensitive information from confidential issues by injecting hidden prompts into merge request comments.
Vulnerability Analysis
CVE-2025-6945 can be exploited 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 a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is a Command Injection Vulnerability?
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CVE-2025-6945 has been classified to as a Command Injection vulnerability or weakness.
Products Associated with CVE-2025-6945
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Affected Versions
GitLab:- Version 17.8 and below 18.3.6 is affected.
- Version 18.4 and below 18.4.4 is affected.
- Version 18.5 and below 18.5.2 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.