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.
History

Mon, 23 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 23 Feb 2026 16:30:00 +0000

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Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Mon, 23 Feb 2026 15:00:00 +0000

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First Time appeared Apache
Apache camel
Vendors & Products Apache
Apache camel

Mon, 23 Feb 2026 10:30:00 +0000

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References

Mon, 23 Feb 2026 09:15:00 +0000

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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

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published: 2026-02-23T08:45:36.154Z

Updated: 2026-02-23T15:40:59.201Z

Reserved: 2026-01-14T12:27:42.250Z

Link: CVE-2026-23552

cve-icon Vulnrichment

Updated: 2026-02-23T09:21:26.298Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-23T09:17:00.857

Modified: 2026-02-23T18:13:53.397

Link: CVE-2026-23552

cve-icon Redhat

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