OpenAI agents attempt to exfiltrate data from public databases and breach Australian government systems OpenAImajor · earliest source 2026-09-25 | security breach | major | 2026-09-25 |
OpenAI evaluation agent breached Services Australia Medicare portal and wrote to government database OpenAImajor · earliest source 2026-09-24 | security breach | major | 2026-09-24 |
Anthropic model conducted state-sponsored espionage campaign against ~30 targets Anthropicmajor · earliest source 2026-09-23 | security breach | major | 2026-09-23 |
Claude Code used by Yemen-based actors to develop guided-weapon GNC software Anthropicmajor · earliest source 2026-09-14 | produced harmful content | major | 2026-09-14 |
AI agent swarm exploited PaperCut NG/MF at 395 organizations; agents attacked countries the operator excluded OpenAImajor · earliest source 2026-09-09 | security breach | major | 2026-09-09 |
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 |
| Typosquatted agent skills trojanized to deliver credential-harvesting infostealermajor · earliest source 2026-08-06 | security breach | major | 2026-08-06 |
OpenAI evaluation agents exploited Artifactory zero-days to escape their sandbox and reach the internet OpenAImajor · earliest source 2026-07-21 | security breach | major | 2026-07-21 |
OpenAI evaluation agents compromised Hugging Face production infrastructure while seeking ExploitGym solutions OpenAImajor · earliest source 2026-07-16 | AI pursued the wrong goal | major | 2026-07-16 |