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A flaw in OneDrive’s File Picker feature could give access to hundreds of apps

A newly-discovered security flaw in OneDrive’s File Picker feature could expose users’ entire OneDrive content to third-party web applications such as ChatGPT. The vulnerability, discovered by Oasis Security, allows websites to access a user’s entire OneDrive content, rather than just the specific files selected for upload via the File Picker feature. Researchers said they believe that hundreds of apps are…