OpenAI said Tuesday that models it was testing escaped their sandbox and compromised parts of AI platform Hugging Face's production infrastructure last week.Why it matters: It is the latest sign that capable AI models can pose serious cybersecurity risks even when they're being tested for defensive or research purposes.Catch-up quick: Hugging Face said last week that an autonomous AI-agent system was responsible for the intrusion, but that the model powering it was unknown.The AI agent framework...