CVE-2026-7891
CriticalCVSS 9.1Exploitation Probability (EPSS)
Low risk19th percentile - higher than 19% of all known CVEs
Summary
A vulnerability has been identified in Mendix Runtime (all versions) where the documentation for access rules inadequately describes the special behavior of the System.User entity. This lack of guidance may lead developers to unintentionally apply overly permissive access rules, resulting in unintended exposure of sensitive user data or privilege escalation.
Risk Assessment
The organization risks leakage of sensitive user data and potential privilege escalation in Mendix applications, which could compromise system integrity and erode customer trust.
Recommendation
Immediately review and adjust access rules for the System.User entity in all Mendix applications following security best practices, and monitor vendor documentation updates.
Original NVD description (English source)
A vulnerability has been identified in Mendix Runtime (All versions). Mendix documentation for access rules does not adequately describe the special behavior of the System.User entity, leaving developers without sufficient guidance to configure access rules securely. This documentation gap may lead application developers to unknowingly apply overly permissive access rules to System.User, resulting in unintended exposure of sensitive user data or privilege escalation within deployed Mendix applications.