A flaw was found in the Keycloak package. This issue occurs due to a permissive regular expression hardcoded for filtering which allows hosts to register a dynamic client. A malicious user with enough information about the environment could jeopardize an environment with this specific Dynamic Client Registration and TrustedDomain configuration previously unauthorized.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| org.keycloak:keycloak-services(Maven) | 0 | 22.0.10 | N/A |
| org.keycloak:keycloak-services(Maven) | 23.0.0 | 24.0.3 | N/A |
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