Model Context Protocol · weakness class

Misconfiguration and Insecure Design

5 CVEs

Every dot is a CVE in what this vendor ships; the named ones are the most at risk.

Every one of the 5 is a mark on the map. Named now: 1 to 5, most at risk first.

DNS Rebinding Protection Disabled by Default in Model Context Protocol Python SDK for Servers Running on LocalhostCVE-2025-66416modelcontextprotocol · CVSS 7.6 · 0.5% likely
CWE-1188
DNS Rebinding Protection Disabled by Default in Model Context Protocol TypeScript SDK for Servers Running on LocalhostCVE-2025-66414modelcontextprotocol · CVSS 7.6 · 0.5% likely
CWE-1188
Model Context Protocol Go SDK: DNS Rebinding Protection Disabled by Default for Servers Running on LocalhostCVE-2026-34742modelcontextprotocol · CVSS 8 · 0.5% likely
CWE-1188
MCP Registry: OCI ownership validation fails open on upstream rate limits, allowing attacker-controlled package claimsCVE-2026-45781modelcontextprotocol · CVSS 3.5 · 0.2% likely
CWE-636
MCP Java SDK has a Hardcoded Wildcard CORS (Access-Control-Allow-Origin: *)CVE-2026-34237modelcontextprotocol · CVSS 6.1 · 0.2% likely
CWE-942

exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.