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[ARTICLE · art-125054] src=getreadyforagents.com ↗ pub= topic=ai-safety verified=true sentiment=↓ negative

Check Point researchers disclose ChatGPT flaw allowing cross-session Gmail data extraction

Check Point researchers disclosed a vulnerability in ChatGPT that allowed attackers to extract data from victims' connected Gmail accounts by passing hidden instructions between separate user sessions, enabling cross-session email data access through a single compromised session.

read1 min views3 publishedSep 9, 2026
Check Point researchers disclose ChatGPT flaw allowing cross-session Gmail data extraction
Image: Getreadyforagents (auto-discovered)

According to Check Point researchers reporting to CSO Online, a vulnerability in ChatGPT allowed attackers to extract data from victim's connected Gmail accounts by passing hidden instructions between separate user sessions. The flaw enabled attackers to access email data across multiple accounts through a single compromised session.

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