npm/@modelcontextprotocol/sdk CVE-2025-66414: high, EPSS 0.51%

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Action: Upgrade @modelcontextprotocol/sdk to 1.24.0 or later.

npm i @modelcontextprotocol/sdk@1.24.0

Affected

Fixed versions

Sources

• osv: GHSA-w48q-cv73-mx4w
• https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-w48q-cv73-mx4w
• https://nvd.nist.gov/vuln/detail/CVE-2025-66414
• https://github.com/modelcontextprotocol/typescript-sdk/pull/1205
• https://github.com/modelcontextprotocol/typescript-sdk/commit/09623e2aa5044f9e9da62c73d820a8250b9d97ed
• https://github.com/modelcontextprotocol/typescript-sdk/commit/608360047dc6899f1cf4f0226eb62fe7b11b3898
• https://github.com/modelcontextprotocol/typescript-sdk

CVE-2025-66414 · published 2025-12-02T16:51:57Z · modified 2026-09-10T03:49:54.319259730Z · JSON