VULNRABLE / Vulnerability / CVE-2026-111767

CVE-2026-111767

HIGH LOW @modelcontextprotocol/sdk GHSA

Exploit verdict: No active-exploit signal

CVSS Score
8
Severity
HIGH
EPSS
0%
Source
GHSA

Summary

MCP TypeScript SDK: Experimental tasks were not tied to the session that created them

What this means

CVE-2026-111767 is a high-severity vulnerability affecting @modelcontextprotocol/sdk, rated CVSS 8. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published October 20, 2026.

View full advisory at GHSA →