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Vulnerabilities of modelcontextprotocol typescript-sdk

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CVE Summary Score Published
CVE-2026-111770 Model Context Protocol TypeScript SDK: Shared transport or server instances delivered one HTTP client's messages to another 7.7 High Nov 5, 2026
CVE-2026-111768 Model Context Protocol TypeScript SDK: One HTTP request within the default size limit could exhaust server memory during validation 7.5 High Nov 5, 2026
CVE-2026-111769 Model Context Protocol TypeScript SDK: HTTP client transports and OAuth requests followed cross-origin redirects and re-sent custom headers and request bodies 6.5 Medium Nov 5, 2026
CVE-2026-111771 Model Context Protocol TypeScript SDK: Server bearer authentication accepted tokens issued for another service 6.8 Medium Nov 5, 2026
CVE-2026-111767 MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients 8.6 High Oct 20, 2026
CVE-2026-104850 MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients 7.5 High Oct 6, 2026
CVE-2026-25536 MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients 7.1 High Feb 4, 2026
CVE-2025-66414 MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients 7.6 High Dec 2, 2025

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