CVE-2026-42559Published

RMCP: DNS rebinding vulnerability in rmcp Streamable HTTP server transport

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-42559

Published

rust-sdk

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "modelcontextprotocol",
                    "product": "rust-sdk",
                    "versions": [
                        {
                            "version": "< 1.4.0",
                            "status": "affected"
                        }
                    ]
                }