July 21, 2026

Researchers escaped four top AI coding agents’ sandboxes without ever breaking them

man standing in front of people sitting beside table with laptop computers
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The tools are Cursor, OpenAI’s Codex, Google’s Gemini CLI, and Antigravity. Over several months, Pillar Security found ways for each agent to cross its security boundary while staying, technically, inside the box. The escape that isn’t one The trick...