Red Hat Lightwell has released org.apache.cxf:cxf-rt-transports-jms 4.2.2.rhlw-00007 with a backported security fix.
CVE-2026-66909: Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage
This patched artifact is a drop-in replacement for org.apache.cxf:cxf-rt-transports-jms 4.2.2 from Maven Central.