CVE-2026-111767

highPriorität · verfolgen · 0OT-Risiko · erhöhtEPSS 0.003 · 28. PerzentilUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.34% (28th) EPSS

CVSS 8.6 · high

Is it mine?

1 products

Prüfe deine Angriffsfläche

Who says so?

1 sources

osv

EPSS · bewertet 2026-10-27

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

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

8.6

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v3.18.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:Lsecondary · security-advisories@github.comAusnutzbarkeit 3.9 · Auswirkung 4.7

v3.18.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:Lsecondary · OSV

v3.17.9highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:Usecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-639USprimärCWE-862USprimärCWE-639USCWE-639USCWE-862USCWE-862US

betroffene Produkte (1)

Betroffene Produkte und Versionsbereiche.

npm @modelcontextprotocol/sdk1.24.0 → 1.32.0osvUSpkg:npm/%40modelcontextprotocol/sdk

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

GHSA-22jm-h49p-29qwMCP TypeScript SDK: Experimental tasks were not tied to the session that created them2026-10-20ghsa · osvUS
### Summary In affected versions, 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. Experimental tasks are deprecated. The 2026-07-28 specification replaced them with a redesigned extension. The best course of action is to stop using them. ### Am I affected? Only if your HTTP server passes `taskStore` to `McpServer` or `Server`. If `grep -ri taskstore --exclude-dir=node_modules .` finds nothing, you are not affected. Affected versions: `@modelcontextprotocol/sdk` 1.24.0 through 1.31.0. The 2.x packages are not affected. ### Fix Upgrade to `@modelcontextprotocol/sdk` 1.32.0 or later. Each task is now tied to the session that created it, so a client that starts a new session can no longer reach its earlier tasks. If you cannot upgrade yet, remove `taskStore`, or create one `InMemoryTaskStore` per session.

quellen

Welche Quellen diesen Datensatz belegen und wann.

osv NVD CVE.org MITRE

veröffentlicht 2026-10-20geändert 2026-10-20

verwandt (14,652)

Verwandte Einträge.

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+14647 weitere

Referenzen (3) nvd

Externe Belege — Patches, Meldungen, Analysen.

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