XBOW used GPT-5.6 Sol to build a $250,000 Chrome exploit in six days

“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. 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.