CVE-2026-63118 : Chi tiết

CVE-2026-63118

2026-07-29
20h17 +00:00
A07-Identif. and Authent. Fail
2026-10-24
13h10 +00:00
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Mô tả 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.

Thông tin CVE

Điểm yếu liên quan

CWE-ID Tên điểm yếu Nguồn
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.

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