A open redirect vulnerability exists in Action Pack >= 6.0.0 that could allow an attacker to craft a "X-Forwarded-Host" headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.
{
"cpes": [
"cpe:2.3:a:rubyonrails:rails:7.0.0:rc2:*:*:*:*:*:*",
"cpe:2.3:a:rubyonrails:rails:6.0.4.2:*:*:*:*:*:*:*",
"cpe:2.3:a:rubyonrails:rails:6.1.4.2:*:*:*:*:*:*:*"
],
"severity": "Medium"
}