CVE-2026-25536

HIGH

7.1

Descricao

MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. From version 1.10.0 to 1.25.3, cross-client response data leak when a single McpServer/Server and transport instance is reused across multiple client connections, most commonly in stateless StreamableHTTPServerTransport deployments. This issue has been patched in version 1.26.0.

Detalhes CVE

Pontuacao CVSS v3.17.1

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado2/4/2026

Ultima modificacao3/18/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

lfprojects:mcp_typescript_sdk

Fraquezas (CWE)

CWE-362

Referencias

https://github.com/modelcontextprotocol/typescript-sdk/issues/204(security-advisories@github.com)

https://github.com/modelcontextprotocol/typescript-sdk/issues/243(security-advisories@github.com)

https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-345p-7cg4-v4c7(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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