The MuleSoft Mule Community Edition runtime engine before 3.8 allows remote attackers to execute arbitrary code because of Java Deserialization, related to Apache Commons CollectionsReferenceshttps://docs.mulesoft.com/release-notes/mule-runtime/mule-3.8.0-release-noteshttps://threat.tevora.com/mulesoft-3-8-unauthenticated-rce/