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HIGH · 7.7

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 manipulate...

Vulnerability 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.

CVSS Score

7.7

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
UiUnifi Os Server< 5.0.8
UiUnifi Cloud Gateway Industrial Firmware< 5.1.12
UiUnifi Cloud Gateway Industrial-
UiUnifi Dream Machine Firmware< 5.1.12
UiUnifi Dream Machine-
UiUnifi Dream Machine Pro Firmware< 5.1.12
UiUnifi Dream Machine Pro-
UiUnifi Dream Machine Special Edition Firmware< 5.1.12
UiUnifi Dream Machine Special Edition-
UiUnifi Dream Machine Pro Max Firmware< 5.1.12
UiUnifi Dream Machine Pro Max-
UiEnterprise Fortress Gateway Firmware< 5.1.12
UiEnterprise Fortress Gateway-
UiUnifi Dream Wall Firmware< 5.1.12
UiUnifi Dream Wall-
UiUnifi Dream Router Firmware< 5.1.12
UiUnifi Dream Router-
UiUnifi Dream Router 7 Firmware< 5.1.12
UiUnifi Dream Router 7-
UiUnifi Express 7 Firmware< 5.1.12

Related Weaknesses (CWE)

CWE-22

References

FAQ

What is CVE-2026-34911?

CVE-2026-34911 is a vulnerability with a CVSS score of 7.7 (HIGH). 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 manipulate...

How severe is CVE-2026-34911?

CVE-2026-34911 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-34911?

Check the references section above for vendor advisories and patch information. Affected products include: Ui Unifi Os Server, Ui Unifi Cloud Gateway Industrial Firmware, Ui Unifi Cloud Gateway Industrial, Ui Unifi Dream Machine Firmware, Ui Unifi Dream Machine.