CVE-2026-34911 Path traversal in EFG
Low-privilege network attackers can exploit path traversal in UniFi OS devices to access sensitive system files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34911?
CVE-2026-34911 is a high-severity path traversal vulnerability in Ubiquiti Inc EFG, published on 22 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-34911?
It affects 31 products.
Products include Ui Enterprise Fortress Gateway Firmware, Ui Enterprise Network Video Recorder Core Firmware, Ui Enterprise Network Video Recorder Firmware, Ui Unas 2 Firmware, Ui Unas 4 Firmware, Ui Unas Pro 4 Firmware and 25 more.
How do I fix CVE-2026-34911?
No fix has been published for CVE-2026-34911 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-34911 being exploited?
There is no known exploitation of CVE-2026-34911 in the wild and no public exploit code.
Other vulnerabilities in Ubiquiti Inc EFG
Sources
Also known as GHSA-m2r4-jq7j-hchx.