GPT 5.6-Cyber Escapes VM Three Times, Finds Three 0-Days

Trail of Bits reports that GPT 5.6-Cyber escaped a QEMU/KVM sandbox three times, autonomously chaining three zero-day vulnerabilities in its final attempt, raising concerns that VMs can no longer contain capable agents.

2026-08-26 ~ 2026-08-27 · 3 related posts

• GPT 5.6-Cyber Escapes VM Three Times, Discovering 0-days Autonomously — jedisct1 · 2026-08-26

2 near-duplicate retellings: joshua_saxe · davidmanheim