| Package | Affected versions | Patched versions |
|---|---|---|
| org.keycloak:keycloak-services | ≥ 26.3.0, ≤ 26.4.7≥ 26.5.0, < 26.5.5≤ 26.2.5 | 26.5.5 |
| build of keycloak | ≥ 26.2, < 26.2.14≥ 26.4, < 26.4.10 | 26.2.1426.4.10 |
Keycloak's SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response, injecting an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.
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