CVE-2026-9157

Remote Code Execution in Gmission Web FAX

Published May 21, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Gmission
Gmission web Fax
Vendors & Products Gmission
Gmission web Fax
Type Values Removed Values Added
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.
Title Remote Code Execution in Gmission Web FAX
Weaknesses CWE-20
CWE-434
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
FSI
Published
Updated
May 21, 2026, 12:11 PM
Reserved
May 21, 2026, 1:49 AM
Status
Deferred
Published
May 21, 2026, 9:16 AM
Modified
Jul 23, 2026, 4:10 PM