CVE-2026-111770High 7.7Model Context Protocol TypeScript SDK: Shared transport or server instances delivered one HTTP client's messages to another0.4%
CVE-2026-111768High 7.5Model Context Protocol TypeScript SDK: One HTTP request within the default size limit could exhaust server memory during validation0.6%
CVE-2026-111769Medium 6.5Model Context Protocol TypeScript SDK: HTTP client transports and OAuth requests followed cross-origin redirects and re-sent custom headers and request bodies0.4%
CVE-2026-111771Medium 6.8Model Context Protocol TypeScript SDK: Server bearer authentication accepted tokens issued for another service0.5%
CVE-2026-111767High 8.6MCP TypeScript SDK: Experimental tasks were not tied to the session that created them0.3%
CVE-2026-104850High 7.5MCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server0.2%
CVE-2026-25536High 7.1@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse0.3%
CVE-2025-66414High 7.6DNS Rebinding Protection Disabled by Default in Model Context Protocol TypeScript SDK for Servers Running on Localhost0.5%