# MCP TypeScript SDK CVE-2026-111767: five flaws fixed

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## Article Metadata
- Title: MCP TypeScript SDK CVE-2026-111767: five flaws fixed
- Summary: Five new CVEs in the official MCP TypeScript SDK leak messages across clients and expose tasks. Upgrade to 1.32.0 or 2.3.0, then change two settings.
- Published: Oct 21, 2026, 6:00 AM EDT
- Updated: Oct 21, 2026, 6:00 AM EDT
- Category: AI Security
- Primary topic: Mcp Typescript Sdk
- Authors: Owen Park
- Read time: 5 min
- Language: en_US
- Publication time zone: America/New_York (U.S. Eastern Time)
- Access: Free to read

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