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CVE-2026-1791

Arbitrary File Upload Vulnerability in Operation and Maintenance Security Gateway

LOW
2.7
CVSS Score
Published: February 4, 2026 at 03:11 AM UTC
Updated: June 17, 2026 at 10:16 AM UTC
1 product affected across 1 vendorOperation and Maintenance Security Gateway

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Severity
LOW2.7
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

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

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.hillstonenet.com.cn/security-notification/2025/12/08/wgscld/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

2.7LOWHillstone
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434

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