Data Breach: Nearly 200 AI Chatbot Apps in App Store Expose Data of 20 Million iPhone Users

20.01.2026
Data Breach: Nearly 200 AI Chatbot Apps in App Store Expose Data of 20 Million iPhone Users

A significant security vulnerability has been discovered affecting nearly 200 AI-powered chatbot applications available in the Apple App Store, resulting in the exposure of personal data belonging to millions of iPhone users.

According to recent findings, these compromised AI services have been systematically collecting sensitive user information, including:

• Full names
• Email addresses
• Complete conversation histories with AI assistants
• Voice chat recordings

The scale of the data breach is substantial, with approximately 20 million users potentially affected. Security researchers have identified that the databases of these applications contain an accumulated 400 million messages, representing a significant privacy risk.

Analysis reveals that many of these vulnerable services were developed by vibe coders—developers who prioritize rapid deployment over security best practices. Among the most popular affected applications are:

• Chat & Ask AI by Codeway
• GenZArt
• YPT — Study Group

This incident highlights the ongoing challenges in mobile application security and the importance of thorough vetting processes for AI-powered services in official app marketplaces.

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