CVE-2026-63118 : Detail

CVE-2026-63118

2026-07-29
20h17 +00:00
A07-Identif. and Authent. Fail
2026-10-24
13h10 +00:00
CVE.org
NVD
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Deskripsi CVE

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 does not validate the HTTP Host or Origin request headers, which allows a malicious browser page to use DNS rebinding to reach a locally running MCP server and invoke exposed tools. This issue is fixed in version 0.23.0.

Informasi CVE

Kelemahan Terkait

CWE-ID Nama Kelemahan Sumber
CWE-346 Origin Validation Error
The product does not properly verify that the source of data or communication is valid.
CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action
The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it does not properly ensure that the IP address is truly associated with the hostname.

Referensi

Informasi yang disajikan di CVE Find berasal dari beberapa sumber referensi yang dipilih dengan cermat. Data CVE disediakan oleh MITRE Corporation dan National Vulnerability Database (NVD). Katalog Known Exploited Vulnerabilities (KEV) bersumber dari Cybersecurity and Infrastructure Security Agency (CISA), sementara skor EPSS berasal dari FIRST.org. Selain itu, data mengenai kelemahan perangkat lunak (CWE) dan pola serangan umum (CAPEC) dikelola oleh MITRE Corporation, dan informasi tentang konfigurasi perangkat keras dan perangkat lunak (CPE) disediakan oleh NVD.