CVE-2026-25536
CVE-2026-25536 · @modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
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.
CVSS 7.1 · Alta · EPSS 0,3% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: node
Productos y versiones afectados
typescript-sdk
- Versiones
- >= 1.10.0, < 1.26.0: Afectada
Sin corrección publicada
@modelcontextprotocol/sdk npm
- Intervalos de versiones afectados
- SEMVER: ≥ 1.10.0, < 1.26.0
Actualiza a 1.26.0
Fuentes originales
- https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-345p-7cg4-v4c7
- https://github.com/modelcontextprotocol/typescript-sdk/issues/204
- https://github.com/modelcontextprotocol/typescript-sdk/issues/243
- https://access.redhat.com/security/cve/CVE-2026-25536
- https://bugzilla.redhat.com/show_bug.cgi?id=2436937
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25536.json
- https://access.redhat.com/errata/RHSA-2026:3960
- https://nvd.nist.gov/vuln/detail/CVE-2026-25536