Security Advisory

CVE-2026-25536

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-04 21:29:38

Last updated 2026-02-05 20:58:17

Assigner GitHub_M

State PUBLISHED

Description

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.

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