Cases · Stage of use: in live use · Developer or organisation: OpenAI · How the AI agent failed: hijacked by hidden instructions
| What happened | What went wrong | Severity | Earliest source |
|---|---|---|---|
| Intent collision via X comment hijacks ChatGPT Atlas into mass WhatsApp phishing from victim's account OpenAImoderate · earliest source 2026-08-05 | security breach | moderate | 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 1–2 of 2. Or take the JSON.