RMCP: DNS rebinding vulnerability in rmcp Streamable HTTP server transport
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.8epss 0.2%
probabilidade de exploração
0.2%top 88% das CVEs
exploração observada
nãonenhuma fonte reporta
RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport (crates/rmcp/src/transport/streamable_http_server/) did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to send authenticated requests to an MCP server running on the victim's loopback or private-network interface. This vulnerability is fixed in 1.4.0.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Produtos afetados
modelcontextprotocol · rust-sdkReferências
https://github.com/modelcontextprotocol/rust-sdk/commit/8e22aa2de28df5a285eed87c11cd89bf15fa90d3https://github.com/modelcontextprotocol/rust-sdk/issues/815https://github.com/modelcontextprotocol/rust-sdk/issues/822https://github.com/modelcontextprotocol/rust-sdk/pull/764https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-89vp-x53w-74fx