This issue was addressed with improved entitlements. This issue is fixed in iOS 16.5 and iPadOS 16.5, watchOS 9.5, tvOS 16.5, macOS Ventura 13.4. An app may be able to modify protected parts of the file system.
https://support.apple.com/en-us/HT213764
https://support.apple.com/en-us/HT213761