CVE-2026-79538 – metatool-ai MetaMCP up to and including 2.4.22 is vulnerable to Code Execution in the inte

metatool-ai MetaMCP up to and including 2.4.22 is vulnerable to Code Execution in the internal MCP inspector proxy endpoint GET /mcp-proxy/server/stdio (createTransport, STDIO branch, routers/mcp-proxy/server.ts).