Hugging Face confirms AI-powered cyberattack; Chinese open-weight model GLM 5.2 helped defend after commercial AI refused

Hugging Face was breached by an autonomous AI agent. The Register reports that frontier LLMs from commercial vendors refused to help defend, but Chinese open-weight model GLM 5.2 obliged, aiding in the response.

• Frontier LLMs couldn't help Hugging Face fight off evil agents
• Hugging Face: We Used AI to Catch the First Confirmed AI Agent Breach of a Major AI Platform
• HuggingFace breach that's blamed on AI agent is defended by AI, too - what users should do next
• Hugging Face uses open weights Z.ai GLM 5.2 to defend against attacker after commercial frontier model refusal
• 'This one was different from anything we had handled before': Hugging Face confirms it was hit by cyberattack powered by an AI agent
• Safety guardrails blocked Hugging Face's defenders, not the attacker, when an AI agent breached its systems
• Hugging Face confirms breach affected internal datasets and credentials, urges users to take action
• Hugging Face says an AI agent hacked its infrastructure, and it used AI to fight back
• Hugging Face discloses breach linked to autonomous AI agent
• An AI agent hacked Hugging Face. Another AI caught it.
• World's Largest AI Model Repository Hugging Face Breached by Autonomous AI Agent