CVE-2025-12543
9.6 · CRITICALOverview
CVE-2025-12543 is a critical-severity vulnerability affecting redhat build_of_apache_camel. It was published on January 7, 2026 and has a CVSS 3.1 base score of 9.6 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed without rejection, enabling attackers to poison caches, perform internal network scans, or hijack user sessions.
Remediation
Check the references section for vendor advisories and patches from redhat. Update build_of_apache_camel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| redhat | build_of_apache_camel | >= 0, < 4.14.4 | Affected |
| redhat | jboss_enterprise_application_platform | >= 8.0, < 8.0.12 | Affected |
| redhat | undertow | >= 0, < 2.2.39 | Affected |
References
Frequently Asked Questions
What is CVE-2025-12543?
CVE-2025-12543 is a critical-severity vulnerability affecting redhat build_of_apache_camel. It was published on January 7, 2026 and has a CVSS 3.1 base score of 9.6 (CRITICAL).
How severe is CVE-2025-12543?
This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-12543?
Check the references section for vendor advisories and patches from redhat. Update build_of_apache_camel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-12543?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-12543 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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