| Package | Affected versions | Patched versions |
|---|---|---|
| org.keycloak:keycloak-saml-adapter-core | < 4.4.0.Final | 4.4.0.Final |
| org.keycloak:keycloak-services | < 4.4.0.Final | 4.4.0.Final |
| keycloak | = 3.4.3 | |
| single sign-on | = 7.2 |
It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.
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