Finding critical zero-days with the new Mistral model LE CHONK

An author reports that a new open-weights model named Le Chonk, also referred to as Mistral 4 large, was used to discover a zero-click medium/high zero-day vulnerability in a widely used messaging application in under 30 minutes. The model operated primarily through extensive tool calls and reasoning with very few outright refusals. The author notes that the model performs exceptionally well in a defensive infosec context when provided with a proper harness and tool access. Open article →