This issue was addressed with improved handling of symlinks. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27. An app may be able to modify protected parts of the file system.
References 6
https://support.apple.com/en-us/149034
product-security@apple.com
https://support.apple.com/en-us/149035
product-security@apple.com
https://support.apple.com/en-us/149038
product-security@apple.com
https://support.apple.com/en-us/149227
product-security@apple.com
https://support.apple.com/en-us/149522
product-security@apple.com
https://support.apple.com/en-us/149523
product-security@apple.com