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CVE-2026-67432

MCP Ruby SDK

Beschreibung

MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to 0.23.0, MCP::Server::Transports::StreamableHTTPTransport in the mcp gem reads and parses an entire JSON-RPC POST body without a size limit, allowing an unauthenticated remote attacker to exhaust process memory. This issue is fixed in version 0.23.0.

CVSS 7.5EPSS 0.436%Risiko 0.78
Quelle öffnen
Veröffentlicht
2026-07-29 20:17:12
Betroffene Versionen
<0.23.0
Typ
Bibliothek
Zuletzt geändert
2026-07-30 19:30:33
Vektor
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H