modelcontextprotocol Registry Vulnerabilities

Modelcontextprotocol Registry vulnerabilities.

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14 May 2026

Improper Token Validation in MCP Registry Affecting Multiple Deployments
CVE-2026-44428
ModelcontextprotocolRegistry2.1LOW
Open Redirect Vulnerability in MCP Registry Affects Model Context Protocol
CVE-2026-44427
ModelcontextprotocolRegistryNONE
Stored Cross-Site Scripting in MCP Registry by Model Context Protocol
CVE-2026-44429
ModelcontextprotocolRegistry5.1MEDIUM
Vulnerability in MCP Registry Affects Network Security
CVE-2026-44430
ModelcontextprotocolRegistry6.3MEDIUM
Improper Ownership Validation in MCP Registry Affects Multiple Clients
CVE-2026-45781
ModelcontextprotocolRegistry3.5LOW