Open-weight model GLM 5.3 built full Firefox exploit chains with zero human input in under 48 hours
The Decoder
Epoch AI researchers say the widely available AI model GLM 5.3 turned public security fixes into working exploits before updates reached Firefox users. It autonomously compromised six Firefox releases for about $1,000 in API fees each without triggering safeguards from any provider tested.
Summary drawn from The Decoder's own description of the story.