Looks like the upgrade of PicketBox to 5.0.3.Final-redhat-3 ( JBEAP-15244 , diff is here [1] ) introduced dependencies to the following artifacts, which are missing from the maven repo:

• org.picketbox:jbosssx:jar:5.0.3.Final-redhat-3
• org.picketbox:jboss-security-spi:jar:5.0.3.Final-redhat-3

[1]: https://github.com/jbossas/redhat-picketbox/compare/5.0.3.Final...5.0.3.Final-6-g138fb437