Drupal 8.7.x < 9.5.11 Cache Poisoning

According to its self-reported version, the instance of Drupal running on the remote web server is 8.7.x prior to 9.5.11, 10.0.x prior to 10.0.11 or 10.1.x prior to 10.1.4. In certain scenarios, Drupal's JSON:API module will output error backtraces. With some configurations, this may cause...