Malicious Chrome Extension Leaks ChatGPT and DeepSeek Chats of 900,000 Users

Gbhackers •Divya • January 7, 2026

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Malicious Chrome Extension Compromises Chats of 900,000 Users A malicious Chrome extension has leaked chat data from ChatGPT and DeepSeek, affecting approximately 900,000 users. The extension exploited a vulnerability to access private conversations, raising significant privacy concerns. Users are advised to remove the extension immediately and monitor their accounts for suspicious activity. 6 sources 25

Malicious Chrome Extension Leaks ChatGPT and DeepSeek Chats of 900,000 Users

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Extracted Entities

Attack Types (2)

Platforms (1)