The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.0.1. A local application may be able to enumerate the user’s iCloud documents.
[
{
"product": "macOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "11.0",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]