Quoting Thomas Ptacek
- ID
- 7052
- Status
- new
- Published
- 23 Jul 2026, 7:59 AM
- Fetched
- 29 Jul 2026, 6:50 AM
- Provider
- Simon Willison
- Category
- developer-ai
- Original URL
- https://simonwillison.net/2026/Jul/22/thomas-ptacek/
- Source URL
- https://simonwillison.net/atom/everything/
Excerpt
I genuinely believe that if you took an open weights model from 2025 and built a pentest harness for it, it could do this kind of sandbox escape and scan/hack in most networks. This is only surprising because you assume OpenAI has sounder sandboxes. — Thomas Ptacek, doesn't think this even needs a frontier model Tags: thomas-ptacek, openai, security, generative-ai, ai-security-research, ai, llms, sandboxing, openai-hugging-face-incident
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