Red Hat Lightwell has released org.assertj:assertj-guava 3.24.2.rhlw-00001 with a backported security fix.
CVE-2026-24400: AssertJ has XML External Entity (XXE) vulnerability when parsing untrusted XML via isXmlEqualTo assertion
This patched artifact is a drop-in replacement for org.assertj:assertj-guava 3.24.2 from Maven Central.