Highlights

Open-weight GLM 5.3 built working Firefox exploit chains with no human input

Epoch AI researchers report that the widely available model GLM 5.3 autonomously turned public security fixes into working Firefox exploits in under 48 hours, before updates reached Firefox users.

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  1. The DecoderOpen-weight model GLM 5.3 built full Firefox exploit chains with zero human input in under 48 hours