GitLab EE <=18.10.3 Authenticated IP Leak via Code Quality Reports
CVE-2026-1516 Published on April 8, 2026
Improper Control of Generation of Code ('Code Injection') in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content.
Vulnerability Analysis
CVE-2026-1516 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 a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-1516 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-1516
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Affected Versions
GitLab:- Version 18.0.0 and below 18.8.9 is affected.
- Version 18.9 and below 18.9.5 is affected.
- Version 18.10 and below 18.10.3 is affected.