Security Advisory

CVE-2026-23621

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-19 18:01:03

Last updated 2026-05-14 02:09:21

Assigner VulnCheck

State PUBLISHED

Description

GFI MailEssentials AI versions prior to 22.4 contain an arbitrary directory existence enumeration vulnerability in the ListServer.IsPathExist() web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsPathExist. An authenticated user can supply an unrestricted filesystem path via the JSON key "path", which is URL-decoded and passed to Directory.Exists(), allowing the attacker to determine whether arbitrary directories exist on the server.

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