IBM WebSphere Portal 6.1.0 through 6.1.0.6 CF27, 6.1.5 through 6.1.5.3 CF27, 7.0 through 7.0.0.2 CF28, and 8.0 before 8.0.0.1 CF12 allows remote attackers to cause a denial of service (resource consumption and daemon crash) via a crafted web request.