---
title: "CVE-2026-116839: airMAX M - Cross-Site Request Forgery"
description: "airMAX M devices contain a cross-site request forgery caused by lack of proper request validation, letting attackers lure authenticated users to make unauthorized changes and cause denial of service, exploit requires authenticated user interaction."
url: https://panop.io/threat-heartbeat/CVE-2026-116839/
---

# CVE-2026-116839 airMAX M - Cross-Site Request Forgery

airMAX M devices contain a cross-site request forgery caused by lack of proper request validation, letting attackers lure authenticated users to make unauthorized changes and cause denial of service, exploit requires authenticated user interaction.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-116839)

## Details

Type

Cross-Site Request Forgery

Impact

Denial Of Service

CVSS vector

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

Published

27 October 2026

Updated

27 October 2026

Weakness

[CWE-352](https://cwe.mitre.org/data/definitions/352.html)

## Vendor fix

Update to the latest version with CSRF protections.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-116839](https://nvd.nist.gov/vuln/detail/CVE-2026-116839)
- [https://uisp.community.ui.com/releases/Security-Advisory-Bulletin-071/7d4d42cf-09e4-44d3-9c19-649cac8c6af3](https://uisp.community.ui.com/releases/Security-Advisory-Bulletin-071/7d4d42cf-09e4-44d3-9c19-649cac8c6af3)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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