What is the CVSS score of CVE-2026-1791?

CVE-2026-1791 has a CVSS 3.1 base score of 2.7 (Low). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.1%.

Which versions of Linux are affected by CVE-2026-1791?

CVE-2026-1791 is a low-severity vulnerability (CVSS 2.7). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation.

How to fix or mitigate CVE-2026-1791?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

Linux CVE-2026-1791

LOW

Unrestricted Upload of File with Dangerous Type (CWE-434)

2026-02-04 sec@hillstonenet.com

Linux

2.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

2.7 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Feb 04, 2026 - 04:15 nvd

LOW 2.7

DescriptionCVE.org

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.

AnalysisAI

Hillstone Networks Operation and Maintenance Security Gateway on Linux is affected by unrestricted upload of file with dangerous type (CVSS 2.7).

Technical ContextAI

This vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affects Hillstone Networks Operation and Maintenance Security Gateway on Linux. 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 ProductsAI

Product: Hillstone Networks Operation and Maintenance Security Gateway on Linux.

RemediationAI

Monitor vendor advisories for a patch. Validate file types by content. Store uploads outside web root. Restrict network access to the affected service where possible.