CVE-2026-111767
CVE-2026-111767 · MCP TypeScript SDK: Experimental tasks were not tied to the session that created them
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.6 · High · EPSS 0.3% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
typescript-sdk
- Versions
- >= 1.24.0, < 1.32.0: Affected
No fix published
@modelcontextprotocol/sdk npm
- Affected ranges
- SEMVER: ≥ 1.24.0, < 1.32.0
Update to 1.32.0
Original sources
- https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-22jm-h49p-29qw
- https://github.com/modelcontextprotocol/typescript-sdk/pull/2925
- https://github.com/modelcontextprotocol/typescript-sdk/commit/727075b5bbeb77fbea22041b36b72a73042160fa
- https://nvd.nist.gov/vuln/detail/CVE-2026-111767