Dossier
open-weight model
Coverage of open-weight model in the Nexus archive.
- Nobody needs Mythos or 0-days to build a chaos-causing computer worm – free open source models work just fine
University of Toronto researchers demonstrated a computer worm built using a free, publicly available open-weight AI model released in 2025. The worm exploits known vulnerabilities and misconfigurations to spread through networks, highlighting that advanced AI models like Mythos are not required to create significant cyber threats.