New MCPoison Attack Leverages Cursor IDE MCP Validation to Execute Arbitrary System Commands
A critical vulnerability in Cursor IDE, the rapidly growing AI-powered development environment, enables persistent remote code execution through manipulation of the Model Context Protocol (MCP) system. The vulnerability, tracked as CVE-2025-54136 and dubbed “MCPoison,” exploits a trust validation flaw that allows attackers to execute arbitrary commands on developer machines without triggering security warnings. Cursor IDE […]
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