BEA WebLogic Server 8.1 before Service Pack 4 and 7.0 before Service Pack 6, may send sensitive data over non-secure channels when using JTA transactions, which allows remote attackers to read potentially sensitive network traffic.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26458
http://www.vupen.com/english/advisories/2006/1828
http://securitytracker.com/id?1016103