Apache Camel: KeycloakSecurityPolicy does not validate issuer of JWT tokens against configured realm
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.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-23552US | — | Exploit | ||
Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy Apache Camel Keycloak component.
The Camel-Keycloak KeycloakSecurityPolicy does not validate the iss (issuer) claim… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- http://www.openwall.com/lists/oss-security/2026/02/18/7WEB
- https://camel.apache.org/security/CVE-2026-23552.htmlWEB
- https://github.com/apache/camelPACKAGE
- https://github.com/apache/camel/commit/c1ed776e3a4fa23d15acf4b9a48fdf758d4316ffWEB
- https://github.com/oscerd/CVE-2026-23552WEB
- https://issues.apache.org/jira/browse/CAMEL-22854WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-23552ADVISORY
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