Improper input validation in Red Hat Build Of Apache Camel 4.14.4 For Spring Boot 3.5.11
CVE-2025-12543
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.013 (71.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.013 · change: -0.000
Affected products
- Red Hat Build Of Apache Camel 4.14.4 For Spring Boot 3.5.11
- Red Hat Build Of Apache Camel - Hawtio 4
- Red Hat Data Grid 8
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Fuse 7
- Red Hat Jboss Enterprise Application Platform — versions 2.2.39.Final-redhat-00001
- Red Hat Jboss Enterprise Application Platform 7
- Red Hat Jboss Enterprise Application Platform 7.1 Eus For Rhel 7 — versions 0:1.4.18-21.SP19_redhat_00001.1.ep7.el7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2026:0383 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2026:0384 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2026:0386 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2026:3889 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2026:3890 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2026:3891 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2026:3892 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2026:4915 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:4916 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:4917 (vendor-advisory)
Frequently asked questions
- What is CVE-2025-12543?
- CVE-2025-12543 is a critical-severity vulnerability in Red Hat Build Of Apache Camel 4.14.4 For Spring Boot 3.5.11, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2026-01-07.
- How severe is CVE-2025-12543?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2025-12543 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.