Matthew Green

Matthew Green

@matthew_d_green · Twitter ·

Oh boy, we had better get our security act together. And fast.

Trail of Bits

Trail of Bits

We asked GPT 5.6-Cyber to escape a VM used to sandbox agents. It broke out three times. In its final escape, the agent found three 0-days on its own and chained them into a working exploit. https://blog.trailofbits.com/2026/08/26/vms-wont-contain-cyber-capable-agents/