CVE-2026-23552

Apache Camel: Camel-Keycloak: Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy

CVSS 9.1 CRITICALEPSS 0.4%CWE-346

Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy Apache Camel Keycloak component. The Camel-Keycloak KeycloakSecurityPolicy does not validate the iss (issuer) claim of JWT tokens against the configured realm. A token issued by one Keycloak realm is silently accepted by a policy configured for a completely different realm, breaking tenant isolation. This issue affects Apache Camel: from 4.15.0 before 4.18.0. Users are recommended to upgrade to version 4.18.0, which fixes the issue.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Productos afectados

Apache Software Foundation · Apache Camel

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Referencias

https://camel.apache.org/security/CVE-2026-23552.html https://github.com/oscerd/CVE-2026-23552 http://www.openwall.com/lists/oss-security/2026/02/18/7