Combodo iTop is a web based IT service management tool. Prior to 3.2.3, iTop returns different responses for valid/invalid usernames depending on multiple factors in the reset password mechanism, leading to user enumeration. This issue has been fixed in version 3.2.3.
https://github.com/Combodo/iTop/security/advisories/GHSA-888g-gv33-xwwx
https://github.com/Combodo/iTop/commit/9fd0ffd84ee62c1c6ede8d30db5fa0305f11fd01