Cases · Stage of use: in live use · Developer or organisation: Anthropic · Root cause: a safeguard that was in place did not hold
| What happened | What went wrong | Severity | Earliest source |
|---|---|---|---|
| Elvis Presley rights holders sue Anthropic over 274 songs used in training and reproduced by Claude Anthropicmajor · earliest source 2026-10-25 | copyright or IP violation | major | 2026-10-25 |
| 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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