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High 7.7Published May 22, 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 ui unifi_os_server and 30 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, NVD)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
Not given
NVD analysis
Analyzed
Record last updated
Jul 23, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
ui unifi_os_server
ui:unifi_os_server
before 5.0.8
NVD
ui unifi_cloud_gateway_industrial_firmware
ui:unifi_cloud_gateway_industrial_firmware
before 5.1.12
NVD
ui unifi_dream_machine_firmware
ui:unifi_dream_machine_firmware
before 5.1.12
NVD
ui unifi_dream_machine_pro_firmware
ui:unifi_dream_machine_pro_firmware
before 5.1.12
NVD
ui unifi_dream_machine_special_edition_firmware
ui:unifi_dream_machine_special_edition_firmware
before 5.1.12
NVD
ui unifi_dream_machine_pro_max_firmware
ui:unifi_dream_machine_pro_max_firmware
before 5.1.12
NVD
ui enterprise_fortress_gateway_firmware
ui:enterprise_fortress_gateway_firmware
before 5.1.12
NVD
ui unifi_dream_wall_firmware
ui:unifi_dream_wall_firmware
before 5.1.12
NVD
ui unifi_dream_router_firmware
ui:unifi_dream_router_firmware
before 5.1.12
NVD
ui unifi_dream_router_7_firmware
ui:unifi_dream_router_7_firmware
before 5.1.12
NVD
ui unifi_express_7_firmware
ui:unifi_express_7_firmware
before 5.1.12
NVD
ui unifi_network_video_recorder_firmware
ui:unifi_network_video_recorder_firmware
before 5.1.12
NVD
ui unifi_network_video_recorder_pro_firmware
ui:unifi_network_video_recorder_pro_firmware
before 5.1.12
NVD
ui unifi_network_video_recorder_instant_firmware
ui:unifi_network_video_recorder_instant_firmware
before 5.1.12
NVD
ui enterprise_network_video_recorder_firmware
ui:enterprise_network_video_recorder_firmware
before 5.1.12
NVD
ui unifi_cloud_gateway_ultra_firmware
ui:unifi_cloud_gateway_ultra_firmware
before 5.1.12
NVD
ui unifi_cloud_gateway_max_firmware
ui:unifi_cloud_gateway_max_firmware
before 5.1.12
NVD
ui unifi_cloud_gateway_fiber_firmware
ui:unifi_cloud_gateway_fiber_firmware
before 5.1.12
NVD
ui unifi_dream_router_5g_max_firmware
ui:unifi_dream_router_5g_max_firmware
before 5.1.12
NVD
ui enterprise_network_video_recorder_core_firmware
ui:enterprise_network_video_recorder_core_firmware
before 5.1.12
NVD
ui unifi_cloud_key_plus_firmware
ui:unifi_cloud_key_plus_firmware
before 5.1.12
NVD
ui unifi_cloudkey_firmware
ui:unifi_cloudkey_firmware
before 5.1.12
NVD
ui unifi_cloudkey_enterprise_firmware
ui:unifi_cloudkey_enterprise_firmware
before 5.1.12
NVD
ui unifi_network_video_recorder_g2_firmware
ui:unifi_network_video_recorder_g2_firmware
before 5.1.12
NVD
ui unifi_network_video_recorder_g2_pro_firmware
ui:unifi_network_video_recorder_g2_pro_firmware
before 5.1.12
NVD
ui unifi_dream_machine_beast_firmware
ui:unifi_dream_machine_beast_firmware
before 5.1.11
NVD
ui unas_2_firmware
ui:unas_2_firmware
before 5.1.10
NVD
ui unas_4_firmware
ui:unas_4_firmware
before 5.1.10
NVD
ui unas_pro_firmware
ui:unas_pro_firmware
before 5.1.10
NVD
ui unas_pro_4_firmware
ui:unas_pro_4_firmware
before 5.1.10
NVD
ui unas_pro_8_firmware
ui:unas_pro_8_firmware
before 5.1.10
NVD

References

  • patch, vendor-advisory

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.

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