CubeSandbox uses RustVMM and KVM for per-sandbox kernels and millisecond startup
heyshrutimishra · x · 2026-09-09
The author explains CubeSandbox's architecture: it builds on RustVMM and KVM microVMs, giving every sandbox its own kernel for hardware-level isolation, with millisecond startup plus snapshots, cloning, and pause/resume — aimed at eliminating container-escape risks for AI agents.
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