CVE-2026-23552 — Apache Camel: Camel-Keycloak: Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Camel	affected 4.15.0 before 4.18.0

CWE

CWE-346

References

https://camel.apache.org/security/CVE-2026-23552.html
https://github.com/oscerd/CVE-2026-23552

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/02/18/7

CISA-ADP

No English description supplied.

No references supplied.