CVE-2026-111767
High · 8.6CVSS
8.6
EPSS
0.3%
Published
Oct 20, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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