Keycloak allows the use of email as a username and doesn't check that an account with this email already exists. That could lead to the unability to reset/login with email for the user. This is caused by usernames being evaluated before emails.
{
"nvd_published_at": null,
"cwe_ids": [
"CWE-670"
],
"severity": "LOW",
"github_reviewed": true,
"github_reviewed_at": "2024-06-12T19:41:05Z"
}