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CVE-2026-111767

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-111767

Severity

8.6

High

CVSS V3

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Summary

MCP TypeScript SDK: Experimental tasks were not tied to the session that created them

Description

MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. From version 1.24.0 to before version 1.32.0, the experimental tasks feature (taskStore) did not check which session created a task. Clients sharing one InMemoryTaskStore could list, read and cancel each other's tasks. This issue has been patched in version 1.32.0.

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