CRITICALCVE-2026-23552Published Modified CNA apache
CVE-2026-23552: Apache Camel: Camel-Keycloak: Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy
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.
Metrics
- CVSS v3.1
- 9.1
- Severity
- CRITICAL
- Fixed in
- 4.18.0
- Affected Products
- 1
Fix available
4.18.0
Affected packages
- Apache Software Foundation / Apache Camel< 4.18.0 (from 4.15.0)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NReferences