Red Hat Lightwell has released org.apache.solr:solr-core 10.0.0.rhlw-00003 with a backported security fix.
CVE-2026-44825: Apache Solr: Enabling BasicAuth using bin/solr CLI configures additional insecure users
This patched artifact is a drop-in replacement for org.apache.solr:solr-core 10.0.0 from Maven Central.