Model Context Protocol (MCP) servers, introduced recently, have become widely used but present significant security risks. A report from Backslash Security reveals that about half of the over 15,000 MCP servers are misconfigured, exposing them to abuse. Key vulnerabilities include the 'NeighborJack' flaw, allowing access to local networks, and arbitrary command execution risks due to improper coding practices. These vulnerabilities can lead to full control over host machines, raising alarms about potential data breaches and exploitation in environments like shared workspaces.
"Imagine you're coding in a shared co-working space or café. Your MCP server is silently running on your machine. The person sitting near you, sipping their latte, can now access your MCP server, impersonate tools, and potentially run operations on your behalf."
"Hundreds of Model Context Protocol (MCP) servers around the world are open to abuse, with vulnerabilities that put vibe coders and their organization's sensitive assets at risk."
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