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CVE-2026-23552

🚨 CRITICAL

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 agains...

Published
Feb 23, 2026
Last Modified
Feb 26, 2026
Views
22
Bookmarks
0

Description

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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 Products (1)

apache - camel

Version: *

CVSS Scores

CVSS 3.1 9.1
9.1
CRITICAL
CVSS 2.0 9.1

References

camel.apache.org github.com www.openwall.com

Additional Information

Source
security@apache.org
State
Analyzed

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