Cases · Stage of use: in live use · Model: Claude Sonnet · Quarter of the earliest source we hold: 2026-Q3
| What happened | What went wrong | Severity | Earliest source |
|---|---|---|---|
| Aur0ra hackers use Cursor AI agent to breach Belgian chemical firm and at least six other companies Anthropicmajor · earliest source 2026-09-01 | security breach | major | 2026-09-01 |
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