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CVE-2026-23621

GFI MailEssentials AI < 22.4 ListServer.IsPathExist() Absolute Directory Traversal to File Enumeration PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
GFI Software / MailEssentials AIaffected 0 before 22.4

CWE

CWE-203

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.