wildfly-undertow is vulnerable to directory traversal attacks. The application does not handle pathing properly, allowing a malicious user to pass a URL to gain access to sensitive information on the system.
access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/
access.redhat.com/errata/RHSA-2018:1247
access.redhat.com/errata/RHSA-2018:1248
access.redhat.com/errata/RHSA-2018:1249
access.redhat.com/errata/RHSA-2018:1251
access.redhat.com/errata/RHSA-2018:2938
access.redhat.com/security/cve/CVE-2018-1047
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1528361
issues.jboss.org/browse/JBEAP-14135
issues.jboss.org/browse/WFLY-9620