OpenAI
Disclosed Sep 17, 20268 days agoUnverified
Researchers used Claude to chain bugs and take over OpenAI employee ChatGPT accounts
A three-person team at Hacktron AI used Anthropic's Claude to chain two critical vulnerabilities that gave access to multiple OpenAI employee ChatGPT accounts and entry into company software, reporting it through OpenAI's bug bounty for a $6,500 award; OpenAI said the issues were resolved.
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Sep 17, 2026 |
| Attack | Hacking |
| Data exposed | Credentials and tokens, Prompts and chats, Internal documents |
| Sector | AI · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
Sources
| Source | |
|---|---|
| Researchers used Anthropic's Claude to hack into OpenAItechcrunch.com · News | News |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | Sep 17 |
Other breaches at OpenAI
History of this record
- 2026-09-25 · added · seed source
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.