| Package | Affected versions | Patched versions |
|---|---|---|
| keycloak | < 13.0.0 | 13.0.0 |
A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations with the use of the same "state" parameter. This flaw allows a malicious user to perform replay attacks.
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