CVE-2026-1791 LOW

CVE-2026-1791: Arbitrary File Upload Vulnerability in Operation and Maintenance Security Gateway

Vendor Hillstone Networks
Product Operation and Maintenance Security Gateway
Weakness CWE-434 · Unrestricted file upload
Published February 4, 2026
Last update February 4, 2026
View on NVD All CVEs

CVSS base score

2.7/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in Hillstone Networks Operation and Maintenance Security Gateway on Linux allows Upload a Web Shell to a Web Server.This issue affects Operation and Maintenance Security Gateway: V5.5ST00001B113.

Key dates

02Disclosure timeline

February 4, 2026 CVE published
February 4, 2026 Record updated