Engineering
4 min read
A Text File in a Downloads Folder Told an AI Coding Agent to Install Malware. It Almost Did.
Security firm Forever stopped an AI coding agent from installing a malicious npm package on a customer's machine. The instruction came from an AGENTS.md file sitting in the Downloads folder. How it worked, what the researchers' lab tests showed for Codex and Claude Code, and six checks for anyone who runs a coding agent.