TI-2026-08052 Aliases CVE-2026-9157 GHSA-w95q-h4rm-mxfm

Remote Code Execution in Gmission Web FAX

LOW 38CWE-20Published 2026-05-21 · Updated 2026-05-21

Key facts

Attack vector: Local
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0012 1st percentileScored 2026-11-07

Fix Fixed Web Fax (Gmission): 3.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Gmission	Web Fax	3.0 to before 3.1	3.1	Patch available	CNA

Web Fax VendorGmission Affected 3.0 to before 3.1 Fixed in 3.1 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:gmission:web_fax::::::::	—	—	Gmission

cpe:2.3:a:gmission:web_fax:*:*:*:*:*:*:*:* Versions — — ·Gmission

Remediation

Fix · CNA Web Fax (Gmission) Fixed in 3.1

Timeline

2026-10-02 Threatist record created from CVE-2026-9157
2026-10-03 Alias added: GHSA-w95q-h4rm-mxfm

References

Other 1

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

TI-2025-13748 Account Takeover in Gmission Web FAX CVSS 4.0HIGH 8.5
TI-2025-13749 Privilege Escalation in Gmission Web FAX CVSS 4.0HIGH 8.4
TI-2025-13750 Data Exposure in Gmission Web FAX CVSS 4.0MEDIUM 6.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences