High severity · published Oct 27, 2026
CVE-2026-116839
A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Site Request Forgery (CSRF) vulnerability found in airMAX M devices to make…
New
7.1
CVSS
0.1%
EPSS
No
On KEV
Description
A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Site Request Forgery (CSRF) vulnerability found in airMAX M devices to make unauthorized changes and execute a Denial of Service (DoS) attack on the device.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
airMAX M · Ubiquiti Inc
before 6.3.26 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-116839
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-116839
uisp.community.ui.com
https://uisp.community.ui.com/releases/Security-Advisory-Bulletin-071/7d4d42cf-09e4-44d3-9c19-649cac8c6af3
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