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 restrict its HTTP listener to the loopback interface, leaving it potentially exposed to remote systems. This could allow an attacker with network access to interact with the MCP Server remotely.
Casky was already ahead
This CVE exploits attack patterns that Casky's 0matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.
CVE-2026-112136 is a network exposure vulnerability affecting Mendix Studio Pro versions 11.15.0-11.15.x and 11.12.6-11.12.6, where the Model Collaboration Protocol (MCP) Server fails to restrict its HTTP listener exclusively to the loopback interface. This misconfiguration allows remote attackers with network access to communicate directly with the MCP Server, bypassing intended local-only protections. The vulnerability carries a CVSS score of 8.8 (high severity) and poses significant risk to development environments where Mendix Studio Pro is deployed, as it could enable unauthorized command execution, data exfiltration, or lateral movement within enterprise networks. Organizations using affected versions in networked development infrastructure face exposure to remote exploitation without proper network segmentation.
While this CVE does not map directly to MITRE ATT&CK techniques, practitioners using Casky's extended reasoning capabilities would focus detection efforts on CWE-1327 (Unrestricted Upload of File with Dangerous Type) network exposure patterns. Defenders should monitor for unexpected HTTP connections to the MCP Server port from non-loopback addresses, unusual API calls to the MCP Server from external network segments, and configuration audits of Mendix Studio Pro listener bindings. Casky's 754 mapped security skills would help practitioners correlate network anomalies with development tool access patterns, identify overly permissive network policies allowing studio development traffic, and detect reconnaissance attempts targeting known Mendix Server endpoints—enabling rapid identification of exploitation attempts before attackers establish persistent access to development infrastructure.
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