CVE-2026-7891

Siemens Mendix Runtime — kwetsbaarheid CVE-2026-7891

Rejected reason: This CVE has been retracted. Re-investigation confirmed the reported behavior is expected platform configuration and does not expose the protected attribute.

CVSS 9.1No patch available

This record: live connection— last retrieved: 24 September 2026 at 04:16.

Vendor

Siemens

Product

Mendix Runtime

up to version vers:all/*

Published

8 May 2026

Last modified

22 September 2026

Original source information

Taken directly from NVD, CISA or the vendor — sometimes in English, unchanged from the source.

Technical description

Rejected reason: This CVE has been retracted. Re-investigation confirmed the reported behavior is expected platform configuration and does not expose the protected attribute.

CVSS 3.1 — vector details

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack vector

NETWORK

Privileges required

NONE

User interaction

NONE

Confidentiality

None

Integrity

None

Availability

None

EPSS — Exploit Prediction Scoring System

No EPSS score available at the time of retrieval (e.g. for a very recent CVE).

Patch information

Any security model relying solely on XPath constraints on a System.User specialization to restrict access should be revised to enforce restrictions at the App Security role-management configuration level instead.

IACS Radar assessment

Our own interpretation and context for the source data above.

IACS Radar assessment

Our own interpretation and context for this vulnerability — not an official source.

IACS Radar priority score

73/ 100

Based on CVSS 9.1, no EPSS score available, industrial relevance 55/100.

Combines CVSS, EPSS, KEV status, industrial relevance and exposure relevance — a complement to, not a replacement for, the individual scores below and above.

Conditions for exploitation

•Network access to the affected device or segment is required.
•No valid credentials are needed.
•No user interaction required.

Operational impact & energy relevance

Limited impact on availability; the risk lies mainly with confidentiality or integrity of process data.

Assessed as relevant to the energy sector based on: Vermeld in een officiële CISA ICS Advisory, wat directe relevantie voor industriële besturingssystemen bevestigt. Vendor "Siemens" is a known supplier of equipment for the energy sector.

Recommended defensive measures

•Apply the latest firmware or software update and validate its integrity.
•Restrict network access to the affected device to a dedicated OT management segment.
•Implement network segmentation in line with zones and conduits (IEC 62443-3-2).
•Monitor for abnormal protocol traffic using an OT-aware detection system.

Industrial relevance score

55/ 100

• Mentioned in an official CISA ICS advisory, which confirms direct relevance to industrial control systems.
• Vendor "Siemens" is a known supplier of equipment for the energy sector.

Classification is provisional; manual verification by an OT security analyst is recommended.

Classified by IACS Radar-analysepijplijn (geautomatiseerd) on 24 September 2026.

IEC 62443 mapping

IEC 62443-4-1FR3 · Systeemintegriteit

Automatic IACS Radar assessment based on the reported CWE weakness classification; not an official certification statement.

Loading vulnerabilities…