PT-2026-6350

Summary Cross-client response data leak when a single McpServer/Server and transport instance is reused across multiple client connections, most commonly in stateless StreamableHTTPServerTransport deployments. Impact Who is affected: Any MCP server deployment using the TypeScript SDK where a sing...

Information Leakage Through Denial Of Service (DoS)

github.com/ gammazero/nexus is vulnerable to information leakage through denial of service attacks. The router can reassign call results to the wrong session when two clients are connecting concurrently and performing long running calls with the same request ID, resulting in denial of service...