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OpenAI ChatGPT Lockdown Mode rollout limits prompt-injection exfiltration paths

Security Tool/Service
First reported
Last updated
Happening score
H score 10
1 unique sources, 1 articles

Summary

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OpenAI ChatGPT is rolling out Lockdown Mode for eligible personal accounts, reducing the risk of prompt-injection-driven data exfiltration. The update adds stricter limits on web- and network-connected features while also introducing active session review and logout controls for suspicious account activity.

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H score10 First: 08.06.2026 17:00 Last: 08.06.2026 17:00 Sources 1

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Timeline

  1. 06.06.2026 16:36 2 articles · 1mo ago

    OpenAI rolls out Lockdown Mode for ChatGPT accounts

    Initial Disclosure

    OpenAI is rolling out Lockdown Mode for eligible ChatGPT personal accounts and self-serve ChatGPT Business plans, limiting live web browsing, image support, deep research, agent mode, Canvas networking, and file downloads to reduce prompt-injection-driven data exfiltration risk.

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  2. 06.06.2026 16:36 1 articles · 1mo ago

    OpenAI adds active-session review and logout controls in ChatGPT

    Mitigation Patch Update

    OpenAI adds a ChatGPT account-management feature that lets users review active sessions and log out of individual or all sessions when unauthorized activity is suspected, including device, app, approximate location, sign-in time, trust status, and current-session details.

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