This issue was addressed with additional entitlement checks. This issue is fixed in iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.4, tvOS 18.4, visionOS 2.4, watchOS 11.4. An app may be able to enumerate a user's installed apps.
https://support.apple.com/en-us/122378
https://support.apple.com/en-us/122377
https://support.apple.com/en-us/122376
https://support.apple.com/en-us/122373
https://support.apple.com/en-us/122372
https://support.apple.com/en-us/122371
http://seclists.org/fulldisclosure/2025/Apr/8
http://seclists.org/fulldisclosure/2025/Apr/5
http://seclists.org/fulldisclosure/2025/Apr/4
http://seclists.org/fulldisclosure/2025/Apr/13