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Open-weight model GLM 5.3 built full Firefox exploit chains with zero human input in under 48 hours

The Decoder ·

Summary: 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 provid

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This is a summary of a story first published by The Decoder on 30 Oct 2026. Read the full article at the source link.

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