GHSA-CHGW-36XV-47CW OpenStack Keystone EC2 and/or credential endpoints are not protected from a scoped context

An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. Any user authenticated within a limited scope trust/oauth/application credential can create an EC2 credential with an escalated permission, such as obtaining admin while the user is on a limited viewer role. This potentially...