We showcase a critical vulnerability with the official GitHub MCP server, allowing attackers to access private repository data. The vulnerability is among the first discovered by Invariant's security analyzer for detecting toxic agent flows.| invariantlabs.ai
This blog post demonstrates how an untrusted MCP server can attack and exfiltrate data from an agentic system that is also connected to a trusted WhatsApp MCP instance, side-stepping WhatsApp's encryption and security measures.| invariantlabs.ai