modelcontextprotocol rust-sdk vulnerabilities (CVE)

CVE records published for modelcontextprotocol rust-sdk, newest first. Follow to get an email when a new one appears.

4 results
6.8Medium
CVE-2026-64684

RMCP: Custom HTTP headers leak to cross-origin redirect targets

modelcontextprotocol rust-sdk

RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.1.0, the rmcp crate's StreamableHttpClientTransport in crates/rmcp/src/transport/common/reqwest/streamable_http_client.rs builds its default_http_client with reqwest's automatic redirect …