CVE-2026-53359 3

Vulnerability (CVE)

VMs won

Cyber Risks Trail of Bits Blog

Trail of Bits gave GPT 5.6-Cyber preview access and tasked it with escaping a QEMU/KVM VM on a Debian 12, AMD Zen3 Linux host; the agent escaped three times, first via the Januscape kernel bug (CVE-2026-53359), then by combining libslirp CVE-2026-9539 with...