A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.
{
"nvd_published_at": "2021-06-01T19:15:00Z",
"severity": "MODERATE",
"cwe_ids": [
"CWE-287"
],
"github_reviewed": true,
"github_reviewed_at": "2022-04-28T21:00:21Z"
}