Cases · Did an AI agent act: yes · What was exposed: personal information · Quarter of the earliest source we hold: 2026-Q3
| What happened | What went wrong | Severity | Earliest source |
|---|---|---|---|
| Meta Muse agent disclosed Marketplace seller's home address and impersonated him to a buyer Metamoderate · earliest source 2026-09-29 | leaked private data | moderate | 2026-09-29 |
| LLM pipeline deanonymizes pseudonymous Hacker News and scientist accountsmoderate · earliest source 2026-09-24 | leaked private data | moderate | 2026-09-24 |
| AEPD-confirmed autonomous AI agent data breach (Spain)moderate · earliest source 2026-09-16 | security breach | moderate | 2026-09-16 |
| Claude in Chrome indirect prompt injection chain: inbox exfiltration, Drive persistence and account takeover Anthropicminor · earliest source 2026-08-05 | security breach | minor | 2026-08-05 |
| AgentForger: CSRF via ChatGPT Workspace Agents Builder URL parameters forges attacker-controlled autonomous agent OpenAIminor · earliest source 2026-07-23 | security breach | minor | 2026-07-23 |
Showing 1–5 of 5. Or take the JSON.