@modelcontextprotocol/server vulnerabilities

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CVE-IDSeverityPackage summary
GHSA-F897-62HF-6GXQHigh@modelcontextprotocol/sdk: MCP TypeScript SDK: HTTP server transports and handlers did not limit request body size or JSON-RPC batch lengthCVE-2026-111770High@modelcontextprotocol/server: MCP TypeScript server SDK: Shared transport or server instances delivered one HTTP client's messages to anotherCVE-2026-111768High@modelcontextprotocol/sdk: MCP TypeScript SDK: One HTTP request within the default size limit could exhaust server memory during validationCVE-2026-111771Medium@modelcontextprotocol/sdk: MCP TypeScript SDK: Server bearer authentication accepted tokens issued for another service

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