Portainer before 2.20.0 allows redirects when the target is not index.yaml.
[
{
"cpes": [
"cpe:2.3:a:portainer:portainer:*:*:*:*:*:*:*:*"
],
"vendor": "portainer",
"product": "portainer",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2.20.0",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
]