XBOW used GPT-5.6 Sol to build a $250,000 Chrome exploit in six days
The Chrome exploit cost about $40,000 in compute and chained three bugs Google has now fixed. XBOW’s team had spent two months on a first attempt that collided with a bug Google already knew.
Via TNW | Data-security
“Pre-LLMs a Chrome full chain would take a team of four around 6-9 months to be produced, our first submission took 2 months. The awarded one? six days,” XBOW researcher Brendan Dolan-Gavitt wrote in a technical write-up.
Security company XBOW has won $250,000 from Google’s Chrome bug bounty programme, XBOW said on 13 October. It built the exploit with AI agents running OpenAI’s GPT-5.6 Sol. The attack chained three unknown Chrome bugs. Loading a web page was enough to run…
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