Vulnerability Database

321,672

Total vulnerabilities in the database

CVE-2026-25536

MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. From version 1.10.0 to 1.25.3, cross-client response data leak when a single McpServer/Server and transport instance is reused across multiple client connections, most commonly in stateless StreamableHTTPServerTransport deployments. This issue has been patched in version 1.26.0.

  • Published: Feb 4, 2026
  • Updated: Feb 5, 2026
  • CVE: CVE-2026-25536
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.1
  • AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

CWEs: