Apache Camel 4.15.x/4.16.x/4.17.x KeycloakSecurityPolicy origin validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Apache Camel 4.15.x/4.16.x/4.17.x. Impacted is an unknown function of the component KeycloakSecurityPolicy. Such manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2026-23552. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apache Camel 4.15.x/4.16.x/4.17.x. It has been rated as problematic. Affected by this issue is an unknown function of the component KeycloakSecurityPolicy. Using CWE to declare the problem leads to CWE-346. The product does not properly verify that the source of data or communication is valid. The impact remains unknown. CVE summarizes:

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.

The advisory is shared for download at lists.apache.org. This vulnerability is handled as CVE-2026-23552. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/27/2026).

The vulnerability scanner Nessus provides a plugin with the ID 299985 (Apache Camel 4.15.0 < 4.18.0 Authentication Bypass (CVE-2026-23552)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.18.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (299985) and CERT Bund (WID-SEC-2026-0445). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Apache Camel

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 9.1
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 299985
Nessus Name: Apache Camel 4.15.0 < 4.18.0 Authentication Bypass (CVE-2026-23552)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Camel 4.18.0

Timelineinfo

02/18/2026 Advisory disclosed
02/18/2026 +0 days VulDB entry created
02/27/2026 +9 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Confirmed

CVE: CVE-2026-23552 (🔒)
GCVE (CVE): GCVE-0-2026-23552
GCVE (VulDB): GCVE-100-346472
CERT Bund: WID-SEC-2026-0445 - Apache Camel: Mehrere Schwachstellen

Entryinfo

Created: 02/18/2026 14:32
Updated: 02/27/2026 17:06
Changes: 02/18/2026 14:32 (50), 02/18/2026 15:38 (7), 02/26/2026 18:12 (2), 02/27/2026 16:11 (15), 02/27/2026 17:06 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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