Vulnerability · Published May 21, 2026 · Assigned by FSI

CVE-2026-9157Remote Code Execution in Gmission Web FAX

High 8.4

In plain English

A high-severity improper input validation in Web Fax from Gmission. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.1%top 98.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Gmission Web Fax 3.0 – before 3.1

Weakness: CWE-20, CWE-434 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References