Abused an MCP Server to Perform Lateral Movement | Critical Finding | MCP Testing Methodology
嗯,用户让我帮忙总结一篇文章的内容,控制在100字以内,而且不需要用“文章内容总结”之类的开头。首先,我得仔细阅读用户提供的文章内容,理解其主要信息。 这篇文章讲的是一个关于MCP组件的评估。MCP全称是Machine Creation Protocol,可能是一个用于创建或管理机器人的协议。文章提到一个网络应用程序,类似于CMS(内容管理系统),用于对冲基金。管理员用户通过配置AI客户端(比如Claude Desktop)连接到MCP服务器,然后进行身份验证,之后就可以使用工具与网站交互获取数据。 接下来,我需要提取关键点:评估涉及MCP组件、CMS用于对冲基金、管理员通过AI客户端连接、身份验证过程、以及数据交互。然后把这些信息浓缩到100字以内。 还要注意不要使用“文章内容总结”这样的开头,直接描述即可。可能的结构是先介绍评估和MCP,然后说明应用的功能和流程。 最后检查字数是否符合要求,并确保信息准确无误。 </think> 本文介绍了一次涉及MCP组件的评估,描述了一个用于对冲基金的CMS类网络应用程序如何通过MCP服务器和AI客户端(如Claude Desktop)实现数据交互与管理功能。 2026-4-28 07:4:36 Author: infosecwriteups.com(查看原文) 阅读量:15 收藏

Rahul Singh Chauhan

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Hi everyone, in this article, I’ll talk about one of my recent assessments which invoked an MCP component.

The server is still in production, therefore, I’ll not be showcasing screenshots. I’ve also modified the name of some core features as this is a well known company globally.

Overview

Let’s first start with an overview. The web application, which was sort of a CMS for hedge funds, allows administrator users to access some features of the web application through an MCP server. All they had to do is configure an AI client, such as Claude Desktop, with the MCP endpoint such as https://llm.example.com/mcp

Provided that the MCP endpoint was configured, we would be redirected to the https://oauth.example.com/ endpoint to authenticate ourselves. We would then pass our credentials.

Following successful authentication, we could see the list of tools exposed by the MCP endpoint on our AI client (Claude Desktop).

We could then use it to interact with the website and fetch our data.


文章来源: https://infosecwriteups.com/abused-an-mcp-server-to-perform-lateral-movement-critical-finding-mcp-testing-methodology-dd0557d49522?source=rss----7b722bfd1b8d--bug_bounty
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