Lucene search
+L

GHSA-RJR6-RCGV-9M7M MCP Ruby SDK: Streamable HTTP transport lacks DNS-rebinding (Host/Origin) protection

🗓️ 30 Jul 2026 14:41:39Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Streamable HTTP transport does not validate Host or Origin, enabling DNS rebinding to local MCP.

Related
Refs

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation