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VulnerabilitiesApr 15, 2026

Critical MCP Integration Flaw Puts NGINX at Risk

Critical flaw in nginx-ui allows attackers to manipulate NGINX configuration files.

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Summary

A critical severity vulnerability in nginx-ui enables remote attackers to restart, create, modify, and delete NGINX configuration files through MCP integration abuse. This flaw could allow unauthorized control over web server operations and potential service disruption. The vulnerability affects systems running vulnerable versions of nginx-ui.

Indicators of Compromise

  • malware — nginx-ui (vulnerable component)

Entities

nginx-ui (product)NGINX (product)MCP (Model Context Protocol) (technology)