This issue was addressed with additional entitlement checks. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2. An app may be able to fingerprint the user.

{
                    "vendor": "Apple",
                    "product": "iOS and iPadOS",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "26.7.2",
                            "versionType": "custom"
                        },
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "27.2",
                            "versionType": "custom"
                        }
                    ]
                }