Security · 27 October 2026
Unconfirmed

Forever Security stops malicious AGENTS.md file from tricking AI coding agent

A plain‑text AGENTS.md file placed in a developer’s Downloads folder attempted to make an AI coding agent such as OpenAI’s Codex install the malicious npm package function‑color, part of the MALFEX campaign; security firm Forever Security intercepted the attempt on a customer machine.

Why it matters

Implement validation of instruction files read by AI coding agents to block malicious npm install commands.

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