XBOW uses OpenAI’s GPT-5.6 to exploit Chrome, earns $250,000 bounty

An AI-assisted team chained three unknown Chrome flaws in six days and collected Google's maximum full-chain reward A browser exploit chain that used to take elite researchers months just came together in six days. The tab for the AI that helped build it came to around $40,000. Autonomous offensive security company XBOW used OpenAI ’s GPT-5.6 Sol model, working alongside human researchers, to find and exploit three previously unknown vulnerabilities in Google Chrome. Google paid out its maximum $250,000 bounty for the work.

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