https://db.gcve.eu/rss/recent/all/10 Most recent entries from all 2026-10-21T13:44:23.082981+00:00 Vulnerability-Lookup info@gcve.eu python-feedgen Contains only the most 10 recent entries. https://db.gcve.eu/vuln/fkie_cve-2026-111767 fkie_cve-2026-111767 2026-10-21T13:44:23.084133+00:00

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.

 https://db.gcve.eu/vuln/ghsa-22jm-h49p-29qw GHSA-22jm-h49p-29qw — MCP TypeScript SDK: Experimental tasks were not tied to the session that created them 2026-10-21T13:44:23.084230+00:00

Affected: npm: @modelcontextprotocol/sdk

### 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.