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

> Source: <https://www.getreadyforagents.com/news/chatgpt-gmail-extraction-vulnerability/>
> Published: 2026-09-09 20:05:51+00:00

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

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.

## Topics

## Sources

-   Press   [CSO Online](https://www.csoonline.com/article/4220203/chatgpt-flaw-lets-attackers-pull-gmail-data-across-accounts-via-a-hidden-channel)  

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