In RestEasy Reactive implementation of Quarkus the insecure File.createTempFile() is used in the FileBodyHandler class which creates temp files with insecure permissions that could be read by a local user.
[
{
"vendor": "n/a",
"product": "Quarkus",
"versions": [
{
"version": "Fixed in 2.16.1",
"status": "affected"
}
]
}
]