VerySecureApp Auth Misconfig: MyFirstModule Anon Users in Mendix 11.8.0 Beta
CVE-2026-7891 Published on May 7, 2026
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.
Weakness Type
Insecure Inherited Permissions
A product defines a set of insecure permissions that are inherited by objects that are created by the program.
Affected Versions
Siemens Mendix Runtime:- Before * 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.