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Package · npm

@modelcontextprotocol/client

2 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 6.5
    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

    The Model Context Protocol TypeScript SDK provides TypeScript client and server implementations of the Model Context Protocol. Prior to 1.32.0 in @modelcontextprotocol/sdk and from 2.0.0 until 2.3.0 in @modelcontextprotocol/client, the HTTP client transports …

    modelcontextprotocol typescript-sdk sdk client npm
  • High 7.5
    CVE-2026-104850 Public exploit

    MCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server

    MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. Starting in version 1.12.0 and prior to versions 1.31.0 and 2.2.0, the SDK's OAuth client support let the MCP server a client connected to decide which authoriza…

    modelcontextprotocol typescript-sdk @modelcontextprotocol/sdk @modelcontextprotocol/client npm