Combodo iTop is a web based IT service management tool. Prior to 3.2.3, only classes present in the SELECT clause are protected by the silos access check in OQL. This issue has been fixed in version 3.2.3.
https://github.com/Combodo/iTop/security/advisories/GHSA-cm4j-52rf-whgc
https://github.com/Combodo/iTop/commit/e467ca83cfcfc5ba1f1d78a99d4805e595f114ba