After reports of GPT-5.6 deleting files, OpenAI says the issue most often occurs in full-access mode without sandboxing and it is working to mitigate the risk

On file deletions. We've investigated a handful of reports where GPT-5.6 unexpectedly deleted files. What we have found is that this most commonly occurs when: - Full access mode is enabled and codex is run without sandboxing protections, including without auto review being