ICSA-26-188-04: Siemens Mendix Studio Pro

CISA's summary

Summary: Mendix Studio Pro versions before V11.12 are affected by a file parsing vulnerability that could be triggered when the application reads specially crafted malicious project during the build pipeline. This could allow an attacker to execute arbitrary code in the context of that user. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends countermeasures for products where fixes are not, or not yet available.

Products, as the advisory lists them

DeSpy has not checked any unit, hardware revision or firmware.

Vulnerabilities in this advisory

• CVE-2026-48192 — CVE-2026-48192 · CWE-94

  Affected versions of Mendix Studio Pro do not properly validate or sanitize project files processed during the build pipeline. This could allow an attacker who tricks a user into opening and running a specially crafted malicious project locally on their system to execute arbitrary code in the context of that user.

Acknowledgments, as the advisory lists them

• Siemens ProductCERT: reported this vulnerability to CISA.

The advisory's legal notice

The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.

Sources

• The advisory at cisa.gov
• The CSAF document (JSON)

DeSpy's copy of this version is dated 2026-09-28.