Tencent Open-Sources CubeSandbox: Secure Agent Isolation with Rollback

Tencent AI ·

Key Info

Tencent AI has open-sourced CubeSandbox, a secure VM-based sandbox that isolates each AI agent task in its own kernel, keeps credentials in a vault, and enables snapshot rollback when an agent step goes wrong.

Highlights

  • Each task gets its own kernel, so untrusted agent code never touches your host data or credentials.
  • Credentials are stored in a vault and injected at the gateway, never inside the sandbox.
  • Snapshot rollback gives agents an "undo" button, making recovery the other half of safety alongside isolation.
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