The Addressing GLPI plugin enables you to create IP reports for visualize IP addresses used and free on a given network.. Starting with 3.0.0 and before 3.0.3, a poor security check allows an unauthenticated attacker to determine whether data exists (by name) in GLPI.
https://github.com/pluginsGLPI/addressing/security/advisories/GHSA-fw42-79gw-7qr9
https://github.com/pluginsGLPI/addressing/commit/b334187a99206abbd7d0bc84f720b0a6e69e92f0