How to Check Your MCP Server for CVE-2026-5603's Vulnerability Pattern (And Why shellQuote Isn't Enough)

This article details CVE-2026-5603, a critical command injection vulnerability in the `@elgentos/magento2-dev-mcp` package, which can be exploited by manipulating AI agents. It explains the sanitizer's failure on Windows and how to check for and fix the issue in MCP servers.