Red Hat Lightwell has released io.github.classgraph:classgraph 4.8.83.rhlw-00001 with a backported security fix.
CVE-2021-47621: ClassGraph before 4.8.112 was not resistant to XML eXternal Entity (XXE) attacks.
This patched artifact is a drop-in replacement for io.github.classgraph:classgraph 4.8.83 from Maven Central.