Codex Sandbox Escapes Show Why Agent Guardrails Can’t Live Inside the Agent
September 21, 2026
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Two patched Codex flaws show why coding-agent sandboxes need scrutiny: Heapjack escaped even read-only mode, while Overpatch broke workspace boundaries. For DevOps teams, the bigger lesson is simple — treat repositories as untrusted input. #OpenAI #Codex #Dev
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