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Vulnerabilidades de @modelcontextprotocol/express

Vulnerabilidades publicadas para @modelcontextprotocol/express en los últimos 30 días: 1. Incluidas en el catálogo KEV: 0.

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Vulnerabilidades: 1

  1. CVE-2026-111771

    Media · CVSS 6.8Corrección disponible

    MCP TypeScript SDK: Server bearer authentication accepted tokens issued for another service

    ### Summary In affected versions, the SDK's server-side bearer authentication had no way to check that a token was issued for your server (its audience). Where one authorization server issues tokens for several services, a valid token for another service was also accepted by your MCP server. ### Am I affected? Yes, if your HTTP server uses `requireBearerAuth()` or `verifyBearerToken()`, its authorization server also issues tokens for other services, and your `verifyAccessToken()` does not check the token's audience (`aud`) itself. Affected versions: - `@modelcontextprotocol/sdk` 1.6.0 through 1.31.0 - `@modelcontextprotocol/server` 2.0.0 t

    • Actualiza a 2.0.2
    Publicación Actualización

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