Modelcontextprotocol Mcp-server-everything vulnerabilities

• modelcontextprotocol mcp-server-everything, mcp-server-fetch +1 more modelcontextprotocol mcp-server-fetch/mcp-server-everything Fetch Tool server.py fetch_url server-side request forgery CVE-2026-104120 6.9 MediumOctober 2, 2026