← Back to Feed

Siemens Mendix Runtime

CVE-2026-7891

July 28, 2026 · CISA (US-CERT) · Severity: CRITICAL

This advisory describes a vulnerability in Siemens Mendix Runtime, where documentation fails to clarify the special behavior of the System.User entity. This gap can lead developers to set overly permissive access rules, causing sensitive data exposure or privilege escalation. Siemens recommends revising access rules and enforcing restrictions at the App Security role-management configuration level.

Key Takeaways

  • Siemens Mendix Runtime has insecure inherited permissions due to documentation gaps.
  • Developers may misconfigure access rules for System.User, exposing sensitive data.
  • Siemens recommends enforcing restrictions at the App Security role-management level.
☕ Buy a Coffee