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DRUPAL-CORE-2020-011
Quick fix
DRUPAL-CORE-2020-011 — drupal/core: upgrade to the fixed version with the command below.
composer require drupal/core:^8.8.10Details
A vulnerability exists in the File module which allows an attacker to gain access to the file metadata of a permanent private file that they do not have access to by guessing the ID of the file.
Are you affected?
Enter the version of the package you're using.