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OpenAI Patches ChatGPT Lockdown Mode Flaw That Allowed Silent Chat History Theft

Check Point researchers bypassed ChatGPT's Lockdown Mode to silently copy users' entire chat history without interaction; OpenAI patched the flaw on 18 September after a private report.

Read the full story at The Hacker News (security) ↗

Timeline · 3 reports

  1. 2026-11-06 16:05 · TechRadar AI
    'AI security controls are only as strong as the wider application environment around them': OpenAI forced to patch after experts bypass ChatGPT 'lockdown mode' to gain access to entire chat history
  2. 2026-11-06 14:23 · DailyAI
    ChatGPT Lockdown Mode Had a Hole That Leaked Chats
  3. 2026-11-05 16:42 · The Hacker News (security)
    Researchers Bypass ChatGPT Lockdown Mode to Exfiltrate Chats Without User Interaction

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