Siemens Mendix Studio Pro up to 11.12.6 MCP Server cross-site request forgery

Summaryinfo

A vulnerability was found in Siemens Mendix Studio Pro up to 11.12.6. It has been classified as problematic. Affected is an unknown function of the component MCP Server. Performing a manipulation results in cross-site request forgery. This vulnerability is identified as CVE-2026-112137. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Siemens Mendix Studio Pro up to 11.12.6. This affects an unknown code block of the component MCP Server. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. CWE is classifying the issue as CWE-352. The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor. This is going to have an impact on integrity. The summary by CVE is:

A vulnerability has been identified in Mendix Studio Pro 11 (All versions >= V11.15.0 < V11.16.0), Mendix Studio Pro 11.12 (All versions >= V11.12.6 < V11.12.7). The affected products MCP Server does not properly validate Content-Type and Origin headers on incoming HTTP requests, leaving it vulnerable to Cross-Site Request Forgery (CSRF). This could allow a malicious web page to trick a user's browser into sending unauthorized requests and executing unintended actions on the local MCP Server.

The advisory is shared at cert-portal.siemens.com. This vulnerability is uniquely identified as CVE-2026-112137 since 10/19/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/10/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-120891). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Siemens

Name

• Mendix Studio Pro

Version

• 11.12.0
• 11.12.1
• 11.12.2
• 11.12.3
• 11.12.4
• 11.12.5
• 11.12.6

License

• commercial

Website

• Vendor: https://www.siemens.com/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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