CVE-2026-9157

Remote Code Execution in Gmission Web FAX

HIGH

8.4

CVSS Score

Published: May 21, 2026 at 08:07 AM UTC

Updated: July 23, 2026 at 07:32 PM UTC

1 product affected across 1 vendorWeb Fax

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Severity

HIGH8.4

Exploit prediction

EPSS 0.1%

SSVC

No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Web Fax · Gmission

60%

3.0 ≤ v < 3.13.0

Affected range stops below 3.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

https://www.gmission.co.kr/fax1

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.4HIGHFSI

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-20CWE-434

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