Arbitrary file upload in Gmission Web Fax

CVE-2026-9157

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.000 (8.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9157?
CVE-2026-9157 is a high-severity vulnerability in Gmission Web Fax, classified under Improper Input Validation. CVSS score: 8.4/10. Published 2026-05-21.
How severe is CVE-2026-9157?
High severity. CVSS v3 base score is 8.4 out of 10.