Critical Flaw in MCP Servers Enables Remote Code Execution and Data Theft

Critical Flaw in MCP Servers Enables Remote Code Execution and Data Theft

First seen 20 Feb 2026, 10:16 UTC GbhackersLinkedin 75.4

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A critical vulnerability in Model Context Protocol (MCP) servers, launched by Anthropic in November 2024, has been identified, allowing for remote code execution and potential data theft. The flaw affects systems linked to AI applications, raising significant security concerns for organizations using these servers.

Timeline

2024-11-01
MCP launched by Anthropic
2026-02-19
GBHackers reports on MCP server vulnerability
2026-02-20
Cyberpress reports on MCP server vulnerability