VULNRABLE / Vulnerability / CVE-2026-111768

CVE-2026-111768

HIGH LOW @modelcontextprotocol/sdk GHSA

Exploit verdict: No active-exploit signal

CVSS Score
8
Severity
HIGH
EPSS
—
Source
GHSA

Summary

MCP TypeScript SDK: One HTTP request within the default size limit could exhaust server memory during validation

What this means

CVE-2026-111768 is a high-severity vulnerability affecting @modelcontextprotocol/sdk, rated CVSS 8. Published October 20, 2026.

View full advisory at GHSA →