This issue was addressed with improved checks. This issue is fixed in iOS 15.4 and iPadOS 15.4. A person with physical access to an iOS device may be able to see sensitive information via keyboard suggestions.
[
{
"product": "iOS and iPadOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "15.4",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]