# @modelcontextprotocol/node (npm) vulnerabilities

1 known vulnerability (1 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 2.1.2 (Oct 23, 2026): no advisory affects it
- Newest unaffected release: 2.1.2 (Oct 23, 2026), the latest release
- Weekly downloads: 5.5M
- Dependents: 625
- Releases: 12 since 2.0.0 (Jul 27, 2026)
- Registry: https://www.npmjs.com/package/@modelcontextprotocol/node
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- GHSA-F897-62HF-6GXQ: 2.0.0 (2.1.0 is outside it)

## Advisories (1)

### [GHSA-F897-62HF-6GXQ](https://cve.now/GHSA-F897-62HF-6GXQ): MCP TypeScript SDK: HTTP server transports and handlers did not limit request body size or JSON-RPC batch length

- Severity: High
- Published: Oct 27, 2026
- Affected: from 2.0.0, fixed in 2.1.0.
- Fixed in 2.1.0 (released Sep 23, 2026, 34 days before disclosure).
- The latest release, 2.1.2, is not affected.
- 55% of @modelcontextprotocol/node downloads last week were affected versions (3.7M).

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