VULNRABLE / Vulnerability / CVE-2026-104850
CVE-2026-104850
HIGH LOW @modelcontextprotocol/sdk GHSA
Exploit verdict: No active-exploit signal
CVSS Score
8
Severity
HIGH
EPSS
—
Source
GHSA
Summary
MCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server
What this means
CVE-2026-104850 is a high-severity vulnerability affecting @modelcontextprotocol/sdk, rated CVSS 8. Published October 6, 2026.
View full advisory at GHSA →