In GLPI before 9.5.3, ajax/comments.php has an Insecure Direct Object Reference (IDOR) vulnerability that allows an attacker to read data from any database table (e.g., glpitickets, glpiusers, etc.).
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27662.json"