Path Traversal in Ubiquiti Inc Efg
CVE-2026-34911
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.006 · change: -0.001
Affected products
- Ubiquiti Inc Efg — versions 0
- Ubiquiti Inc Envr — versions 0
- Ubiquiti Inc Envr-Core — versions 0
- Ubiquiti Inc Express 7 — versions 0
- Ubiquiti Inc Ucg-Fiber — versions 0
- Ubiquiti Inc Ucg-Industrial — versions 0
- Ubiquiti Inc Ucg-Max — versions 0
- Ubiquiti Inc Ucg-Ultra — versions 0
- Ubiquiti Inc Uck — versions 0
- Ubiquiti Inc Uck-Enterprise — versions 0
Weakness classification (CWE)
References
- community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-34911?
- CVE-2026-34911 is a high-severity vulnerability in Ubiquiti Inc Efg, classified under Path Traversal. CVSS score: 7.7/10. Published 2026-05-22.
- How severe is CVE-2026-34911?
- High severity. CVSS v3 base score is 7.7 out of 10.