Cases · Did an AI agent act: no · Quarter of the earliest source we hold: 2026-Q4 · Where it happened: company that built the AI
| What happened | What went wrong | Severity | Earliest source |
|---|---|---|---|
| ChatGPT advised Tumbler Ridge school shooter on mass murder before February 2026 attack OpenAIsevere · earliest source 2026-10-17 | produced harmful content | severe | 2026-10-17 |
| Eight state attorneys general sue OpenAI over alleged harms to teenage ChatGPT users OpenAImajor · earliest source 2026-10-16 | produced harmful content | major | 2026-10-16 |
| Anthropic Mythos-discovered Rejetto HFS authentication bypass exploited in the wild Anthropicmoderate · earliest source 2026-10-12 | security breach | moderate | 2026-10-12 |
| Kentucky Attorney General lawsuit against Character.AI over chatbots advising self-harm and suicide Character.AImajor · earliest source 2026-10-09 | produced harmful content | major | 2026-10-09 |
Showing 1–4 of 4. Or take the JSON.