Description
GLPI is a free asset and IT management software package. Starting in version 0.80 and prior to version 10.0.17, an unauthenticated user can use an application endpoint to check if an email address corresponds to a valid GLPI user. Version 10.0.17 fixes the issue.
References
https://github.com/glpi-project/glpi/security/advisories/GHSA-j8gc-xpgr-2ww7
https://github.com/glpi-project/glpi/commit/9be1466053f829680db318f7e7e5880d2d789c6d