CVE-2026-34911 json
A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to a…
published 2026-05-22 5 mo ago modified 2026-07-23 3 mo ago also EUVD-2026-31387
- cvss
- 7.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Ubiquiti Inc UniFi OS Server 5.0.8
- Ubiquiti Inc UDM 5.1.12
- Ubiquiti Inc UDM-Pro 5.1.12
- Ubiquiti Inc UDM-SE 5.1.12
- Ubiquiti Inc UDM-Pro-Max 5.1.12
- Ubiquiti Inc UDM-Beast 5.1.11
- Ubiquiti Inc EFG 5.1.12
- Ubiquiti Inc UDW 5.1.12
- Ubiquiti Inc UDR 5.1.12
- Ubiquiti Inc UDR7 5.1.12
- Ubiquiti Inc UDR-5G 5.1.12
- Ubiquiti Inc Express 7 5.1.12
- Ubiquiti Inc UNVR 5.1.12
- Ubiquiti Inc UNVR-Pro 5.1.12
- Ubiquiti Inc UNVR-Instant 5.1.12
- Ubiquiti Inc UNVR-G2 5.1.12
- Ubiquiti Inc UNVR-G2-Pro 5.1.12
- Ubiquiti Inc ENVR 5.1.12
- Ubiquiti Inc ENVR-Core 5.1.12
- Ubiquiti Inc UNAS-2 5.1.10
- Ubiquiti Inc UNAS-4 5.1.10
- Ubiquiti Inc UNAS-Pro 5.1.10
- Ubiquiti Inc UNAS-Pro-4 5.1.10
- Ubiquiti Inc UNAS-Pro-8 5.1.10
- Ubiquiti Inc UCKP 5.1.12
- Ubiquiti Inc UCK 5.1.12
- Ubiquiti Inc UCK-Enterprise 5.1.12
- Ubiquiti Inc UCG-Ultra 5.1.12
- Ubiquiti Inc UCG-Max 5.1.12
- Ubiquiti Inc UCG-Fiber 5.1.12
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
Affected products
- Ubiquiti Inc UniFi OS Server
- Ubiquiti Inc UDM
- Ubiquiti Inc UDM-Pro
- Ubiquiti Inc UDM-SE
- Ubiquiti Inc UDM-Pro-Max
- Ubiquiti Inc UDM-Beast
- Ubiquiti Inc EFG
- Ubiquiti Inc UDW
- Ubiquiti Inc UDR
- Ubiquiti Inc UDR7
- Ubiquiti Inc UDR-5G
- Ubiquiti Inc Express 7
- Ubiquiti Inc UNVR
- Ubiquiti Inc UNVR-Pro
- Ubiquiti Inc UNVR-Instant
- Ubiquiti Inc UNVR-G2
- Ubiquiti Inc UNVR-G2-Pro
- Ubiquiti Inc ENVR
- Ubiquiti Inc ENVR-Core
- Ubiquiti Inc UNAS-2
- Ubiquiti Inc UNAS-4
- Ubiquiti Inc UNAS-Pro
- Ubiquiti Inc UNAS-Pro-4
- Ubiquiti Inc UNAS-Pro-8
- Ubiquiti Inc UCKP
- Ubiquiti Inc UCK
- Ubiquiti Inc UCK-Enterprise
- Ubiquiti Inc UCG-Ultra
- Ubiquiti Inc UCG-Max
- Ubiquiti Inc UCG-Fiber
- Ubiquiti Inc UCG-Industrial
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
Sources
- CVE List CVE-2026-34911
- NVD CVE-2026-34911
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