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
Affected Vendors & Products
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
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| Description | 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. | |
| Title | Apache Camel: Camel-Keycloak: Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy | |
| Weaknesses | CWE-346 | |
| References |
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Projects
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Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-02-23T15:40:59.201Z
Reserved: 2026-01-14T12:27:42.250Z
Link: CVE-2026-23552
Updated: 2026-02-23T09:21:26.298Z
Status : Awaiting Analysis
Published: 2026-02-23T09:17:00.857
Modified: 2026-02-23T18:13:53.397
Link: CVE-2026-23552
No data.
OpenCVE Enrichment
Updated: 2026-02-23T14:28:03Z