CVE-2026-23552

CRITICAL
2026-02-23 [email protected] GHSA-c3f3-cc42-xr9v
9.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

4
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Feb 26, 2026 - 16:46 vuln.today
Public exploit code
CVE Published
Feb 23, 2026 - 09:17 nvd
CRITICAL 9.1

Tags

Apache Camel

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.

Analysis

Cross-realm token acceptance bypass in Apache Camel Keycloak security policy. The KeycloakSecurityPolicy fails to properly validate token issuers, accepting tokens from different Keycloak realms. …

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Remediation

Within 24 hours: Identify all systems using Apache Camel with Keycloak component and assess their exposure; isolate or disable affected services if business-critical. Within 7 days: Implement compensating controls (network segmentation, WAF rules validating issuer claims, enhanced monitoring); evaluate alternative authentication mechanisms. …

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Priority Score

66
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +46
POC: +20

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CVE-2026-23552 vulnerability details – vuln.today
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