An issue existed where partially entered passcodes may not clear when the device went to sleep. This issue was addressed by clearing the passcode when a locked device sleeps. This issue is fixed in watchOS 5.2. A partially entered passcode may not clear when the device goes to sleep.
[
{
"product": "watchOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "watchOS 5.2",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]