| Package | Affected versions | Patched versions |
|---|---|---|
| org.keycloak:keycloak-services | < 18.0.0 | 18.0.0 |
| keycloak | < 18.0.0 | 18.0.0 |
A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client application holding a valid access token to exchange tokens for any target client by passing the client_id of the target. This could allow a client to gain unauthorized access to additional services.
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