WebSphere Application Server Web Container Information Disclosure - Advisories - Secunia
コネクションクローズの際にエラーでセンシティブ情報が出てしまうそうです。
An error in the web container when handling closed connection errors may in certain cases corrupt a buffer resulting in data, which was part of a response to the request, being sent in response to a second request. This may disclose sensitive information.