According to researcher Firas D and OpenAI's Thibault Sottiaux, GPT-5.6 and Claude Code agents unexpectedly delete files when running without sandboxing protections and auto-review safeguards. The agents misinterpret environment variables and delete user home directories instead of temporary directories. Sottiaux noted that accidental data loss through agent misunderstanding poses a distinct risk category from exfiltration attacks.
Update (2026-07-26): Users reported Codex accidentally pushing private GitHub repositories to OpenAI infrastructure without authorization and separately sweeping entire disks for credentials, according to blog ...
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- Press
[Read article](https://firasd.substack.com/p/accidental-data-loss-in-claude-code-openai-codex-ai-agent-harness-file-deletion) - Press
[Read article](https://bhanu.io/blog/codex-pushed-my-private-repo-to-an-openai-server) - Press
[Read article](https://grith.ai/blog/codex-credential-sweep-syscall-trace)
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