PortSwigger Web Security: DNS Rebinding SSRF in Burp Suite MCP Server Enables Internal Network Access via send_http1_request Tool
The Burp Suite MCP Model Context Protocol server was vulnerable to a DNS rebinding attack. This allowed malicious websites to connect to the victim's local MCP server, use the sendhttp1request tool to make arbitrary HTTP requests, and access internal networks, localhost services, and cloud metada...