{"slug": "check-point-researchers-disclose-chatgpt-flaw-allowing-cross-session-gmail-data", "title": "Check Point researchers disclose ChatGPT flaw allowing cross-session Gmail data extraction", "summary": "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.", "body_md": "# Check Point researchers disclose ChatGPT flaw allowing cross-session Gmail data extraction\n\nAccording 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.\n\n## Topics\n\n## Sources\n\n-   Press   [CSO Online](https://www.csoonline.com/article/4220203/chatgpt-flaw-lets-attackers-pull-gmail-data-across-accounts-via-a-hidden-channel)  \n\n## Go deeper\n\nThis intelligence is sourced automatically from public sources across the web and synthesised by the Prefactor AI pipeline. Stories are reviewed before publication.", "url": "https://wpnews.pro/news/check-point-researchers-disclose-chatgpt-flaw-allowing-cross-session-gmail-data", "canonical_source": "https://www.getreadyforagents.com/news/chatgpt-gmail-extraction-vulnerability/", "published_at": "2026-09-09 20:05:51+00:00", "updated_at": "2026-09-09 20:14:06.503965+00:00", "lang": "en", "topics": ["ai-safety", "ai-products"], "entities": ["Check Point", "ChatGPT", "Gmail", "CSO Online"], "alternates": {"html": "https://wpnews.pro/news/check-point-researchers-disclose-chatgpt-flaw-allowing-cross-session-gmail-data", "markdown": "https://wpnews.pro/news/check-point-researchers-disclose-chatgpt-flaw-allowing-cross-session-gmail-data.md", "text": "https://wpnews.pro/news/check-point-researchers-disclose-chatgpt-flaw-allowing-cross-session-gmail-data.txt", "jsonld": "https://wpnews.pro/news/check-point-researchers-disclose-chatgpt-flaw-allowing-cross-session-gmail-data.jsonld"}}