Filtered by vendor Modelcontextprotocol Subscriptions
Filtered by product Ruby-sdk Subscriptions
Total 1 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2026-33946 1 Modelcontextprotocol 1 Ruby-sdk 2026-03-30 N/A
MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to version 0.9.2, the Ruby SDK's streamable_http_transport.rb implementation contains a session hijacking vulnerability. An attacker who obtains a valid session ID can completely hijack the victim's Server-Sent Events (SSE) stream and intercept all real-time data. Version 0.9.2 contains a patch.