AI AgentHigh
Cybercriminal Reportedly Used Cairn AI Agents to Breach More Than 100 Company Websites
- Occurred
- Sep 25, 2026
- Published
- Oct 19, 2026
- Source
- AI Incident Database
Summary
An operator using Chinese-language instructions reportedly directed Cairn, an AI agent framework, to breach more than 100 company websites. The campaign targeted sites in the U.S., Canada, Australia, and Japan. Researchers verified unauthorized access tools on victim servers. Reuters identified websites belonging to farm equipment maker Deere and appliance maker SharkNinja; the extent of data theft remained unclear.
Developers
- le1xia0
- Large language model developers
- DeepSeek
- AI agent system developers
Deployers
- hackers
- Cybercriminals
- AIA0001
- AI agent system deployers
Harmed parties
- SharkNinja
- Privacy
- Information security
- Deere
- Cummins
- Companies
Classification
Category confidence: 90%
Severity confidence: 85%
Rationale: Hacker used AI agents to breach over 100 company websites, causing significant security incidents.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8