CVE-2026-9157

High

Description

Improper input validation, Unrestricted upload of file with dangerous type vulnerability in Gmission Web Fax allows Remote Code Inclusion. This issue affects Web Fax: from 3.0 before 3.1.

SeverityHigh

CVSS8.4

Exploit probability—

ProductWeb Fax

PublishedMay 21, 2026

First seenMay 21, 2026

Weakness typeCWE-20Improper input validation CWE-434Unrestricted upload of dangerous file type

How to fix

Update

Gmission Web Fax3.1 or later

Affected products

Product	Affected versions	Fixed in
Gmission Web Fax	3.0 ≤ v < 3.1	3.1

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