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Medium severity4.3NVD Advisory· Published Feb 19, 2026· Updated Jun 17, 2026

CVE-2026-23621

CVE-2026-23621

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Gfi/Mailessentials2 versions
    cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*range: <22.4
    • (no CPE)range: <22.4
  • GFI Software/MailEssentials AIv5
    Range: 0

Patches

Vulnerability mechanics

References

2

News mentions

0

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