server/content/ContentService.java in the Framework component in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-04-01 does not check for a GET_ACCOUNTS permission, which allows attackers to obtain sensitive information via a crafted application, aka internal bug 26094635.