| Package | Affected versions | Patched versions |
|---|---|---|
| org.keycloak:keycloak-services | < 18.0.0 | 18.0.0 |
| single sign-on | = 7.4 |
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.
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