Mistral AI PyPI Supply Chain Attack (mistralai 2.4.6): What Python & AI Developers Must Do Right Now
On May 12, 2026, Microsoft Threat Intelligence along with security firms (Aikido, Wiz, Socket, and others) disclosed that mistralai==2.4.6 on PyPI contained malicious code. This was the official Python client library for Mistral AI's large language models. The malicious version remained live for only a few hours but may have been downloaded by thousands of developers working on AI agents, trading bots, smart contract tools, RAG pipelines, and internal applications. Key facts: Only version 2.4....
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