Back to CVE records
High 7.7Published May 21, 2026

CVE-2026-34911A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulat…

Updated under an hour ago ()

Does this affect you?

It affects Ubiquiti Inc UniFi OS Server and 59 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to obtain sensitive information.

CVSS
7.7 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness (CWE)
CWE-22
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
hackerone
NVD analysis
Analyzed
Record last updated
May 22, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Ubiquiti Inc UniFi OS Server
ubiquiti:unifi_os_server (from the name)
before 5.0.8
CNA record
Ubiquiti Inc UDM
ubiquiti:udm (from the name)
before 5.1.12
CNA record
Ubiquiti Inc UDM-Pro
ubiquiti:udm_pro (from the name)
before 5.1.12
CNA record
Ubiquiti Inc UDM-SE
ubiquiti:udm_se (from the name)
before 5.1.12
CNA record
Ubiquiti Inc UDM-Pro-Max
ubiquiti:udm_pro_max (from the name)
before 5.1.12
CNA record
Ubiquiti Inc UDM-Beast
ubiquiti:udm_beast (from the name)
before 5.1.11
CNA record
Ubiquiti Inc EFG
ubiquiti:efg (from the name)
before 5.1.12
CNA record
Ubiquiti Inc UDW
ubiquiti:udw (from the name)
before 5.1.12
CNA record
Ubiquiti Inc UDR
ubiquiti:udr (from the name)
before 5.1.12
CNA record
Ubiquiti Inc UDR7
ubiquiti:udr7 (from the name)
before 5.1.12
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

Your cookie choices
We use essential cookies to run this site, and, only with your consent, an advertising cookie from Google to measure whether our ads lead to sign-ups and subscriptions. See our for details.