EUVD-2026-97010

mcp-go through 1.2.1 contains a denial of service vulnerability in StreamableHTTPServer.ServeHTTP that allows remote unauthenticated attackers to exhaust memory by sending oversized POST bodies. Attackers can send arbitrarily large or many concurrent POST requests, read fully via io.ReadAll befor...

CVE-2026-108859

The mcp-go library (versions through 1.2.1 ) is vulnerable to a Denial of Service (DoS) attack within the StreamableHTTPServer.ServeHTTP component. The root cause is unbounded POST body buffering , where the application uses io.ReadAll to read request bodies fully before performing any validation...