CVE-2026-9157

HIGHNVD 8.48.4—

8.4

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.

CVSS v3: 8.4
EG Score: 8.4(high)
EPSS: 5.6%
KEV: Not listed

Published

May 21, 2026

Last Modified

May 21, 2026

References (1)

09832df1-09c1-45b4-8a85-16c601d30febhttps://www.gmission.co.kr/fax1

Vendor Advisories for CVE-2026-9157(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-w95q-h4rm-mxfm
GitHub Security AdvisoriesHigh
Improper input validation, Unrestricted upload of file with dangerous type vulnerability in...

Frequently asked(5)

What is CVE-2026-9157?

CVE-2026-9157 is a high vulnerability published on May 21, 2026. 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.

When was CVE-2026-9157 disclosed?

CVE-2026-9157 was first published in the National Vulnerability Database on May 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-9157 actively exploited?

CVE-2026-9157 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-9157?

CVE-2026-9157 has a CVSS v3 base score of 8.4 (NVD).

How do I remediate CVE-2026-9157?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9157, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-9157

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2026-9157(1)

❓ Frequently asked(5)