CVE-2026-25536

HIGH

7.1

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung7.1

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionNONE

Veroffentlicht2/4/2026

Zuletzt geandert3/18/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

lfprojects:mcp_typescript_sdk

Schwachen (CWE)

CWE-362

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

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