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Researchers Bypass ChatGPT Lockdown Mode to Exfiltrate Chats Without User Interaction

A now-patched flaw in ChatGPT's Lockdown Mode allowed silent chat exfiltration, highlighting that enterprise data-loss controls around AI assistants remain brittle.

Summary written by editorial AI · Source link below

Filed by THN (Feedburner)1 min readRead at source ↗

Cybersecurity researchers have disclosed details of a now-patched vulnerability that could be exploited to bypass Lockdown Mode protections in OpenAI ChatGPT.

Lockdown Mode was introduced by the artificial intelligence (AI) company in June 2026 as an optional setting to minimize data exfiltration risks arising from prompt injections.

"The flaw could enable silent chat data theft, phishing,

Editorial Analysis

Why it matters

Enterprises relying on vendor-provided AI security modes must treat them as one layer, not a guarantee; silent exfiltration undermines assumptions baked into AI acceptable-use policies.

What to do

Conduct a control-gap assessment of all generative-AI tools approved for corporate use, ensuring DLP and session-monitoring layers operate independently of the vendor's built-in protections.

Board brief

Even vendor-hardened AI chat features can be silently bypassed—enterprise DLP must not depend solely on the AI provider's controls.

Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.

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