ChatGPT Lockdown Bypass Disclosed and Patched — SkimNews
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- ChatGPT contained a now-patched vulnerability disclosed by cybersecurity researchers that could bypass Lockdown Mode protections and exfiltrate chats without user interaction.
- Lockdown Mode was introduced by OpenAI in June 2026 as an optional setting intended to minimize data exfiltration.
Why it matters: The disclosed flaw matters because Lockdown Mode was designed to minimize data exfiltration, yet researchers described a bypass that did not require user interaction. For ChatGPT users who opted into that June 2026 protection, the material outcome is that the bypass has already been patched rather than left open.
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