There is a possible information disclosure issue in Active Resource <v5.1.1 that could allow an attacker to create specially crafted requests to access data in an unexpected way and possibly leak information.
[
{
"product": "https://github.com/rails/activeresource",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "5.1.1"
}
]
}
]