CVE-2026-33946 | Teknoloji dünyasından en güncel haberleri ve güvenlikle ilgili gelişmeleri takip edin.

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 implem…
High CVSS: 8.2

CVE-2026-33946

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.
Vendor
Lfprojects
Product
Mcp Ruby Sdk
CWE
CWE-384
Yayın Tarihi
2026-03-27 22:16:21
Güncelleme
2026-04-02 15:23:21
Source Identifier
security-advisories@github.com
KEV Date Added
-

Kategoriler

CWE-384 Mcp Ruby Sdk HIGH Lfprojects 2026

Referanslar

https://github.com/modelcontextprotocol/csharp-sdk/blob/main/src/ModelContextProtocol.AspNetCore/SseHandler.cs#L93-L97 https://github.com/modelcontextprotocol/go-sdk/blob/main/mcp/streamable.go#L281C1-L288C2 https://github.com/modelcontextprotocol/python-sdk/blob/main/src/mcp/server/streamable_http.py#L680-L685 https://github.com/modelcontextprotocol/ruby-sdk/blob/main/examples/streamable_http_server.rb https://github.com/modelcontextprotocol/ruby-sdk/commit/db40143402d65b4fb6923cec42d2d72cb89b3874 https://github.com/modelcontextprotocol/ruby-sdk/releases/tag/v0.9.2 https://github.com/modelcontextprotocol/ruby-sdk/security/advisories/GHSA-qvqr-5cv7-wh35 https://hackerone.com/reports/3556146 https://github.com/modelcontextprotocol/ruby-sdk/security/advisories/GHSA-qvqr-5cv7-wh35