CVE-2026-111767
highMCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients.
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
8.6 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Severity source: NVD CVSS v3.1 (security-advisories@github.com)
Timeline (UTC)
Published: 2026-10-20 19:17
Modified: 2026-10-20 19:53
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 07:04 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/modelcontextprotocol/typescript-sdk/commit/727075b5bbeb77fbea22041b36b7... security-advisories@github.com
- https://github.com/modelcontextprotocol/typescript-sdk/pull/2925 security-advisories@github.com
- https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-22jm-h49p-... security-advisories@github.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:04 UTC · record ↗