BEA WebLogic Server 8.1 through 8.1 SP5 stores cleartext data in a backup of config.xml after offline editing, which allows local users to obtain sensitive information by reading this backup file.
http://www.vupen.com/english/advisories/2007/0213
http://www.securityfocus.com/bid/22082
http://securitytracker.com/id?1017525