Drupal core - Moderately critical - Access bypass - SA-CORE-2019-011

Project: Drupal coreVersion: 8.8.x-dev8.7.x-devDate: 2019-December-18Security risk: Moderately critical 10∕25 AC:Basic/A:User/CI:Some/II:None/E:Theoretical/TD:DefaultVulnerability: Access bypassDescription: The Media Library module has a security vulnerability whereby it doesn't sufficiently restrict access to media items in certain configurations.Solution: 

  • If you are using Drupal 8.7.x, you should upgrade to Drupal 8.7.11.
  • If you are using Drupal 8.8.x, you should upgrade to Drupal 8.8.1.

Versions of Drupal 8 prior to 8.7.x are end-of-life and do not receive security coverage.
Alternatively, you may mitigate this vulnerability by unchecking the "Enable advanced UI" checkbox on /admin/config/media/media-library. (This mitigation is not available in 8.7.x.)Reported By: 

Fixed By: 

Path to article https://www.drupal.org/sa-core-2019-011