CVE-2026-23620 – GFI MailEssentials AI < 22.4 ListServer.IsDbExist() Absolute Directory Traversal to File Enumeration

CVE ID : CVE-2026-23620

Published : Feb. 19, 2026, 6:24 p.m. | 35 minutes ago

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

Severity: 5.3 | MEDIUM

Visit the link for more details, such as CVSS details, affected products, timeline, and more…