Description
Drupal Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently see the number of hits collected by the Statistics module for results in the view. Drupal Core versions 8.x ranging from 8.0.0 and up to and including 8.1.2 are vulnerable.
Remediation
Update to Drupal Core version 8.1.3 or latest