CVE-2026-54402 PUBLISHED

Assigner: hackerone
Reserved: 13.06.2026 Published: 02.07.2026 Updated: 02.07.2026

A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi OS to execute a Command Injection on the host device.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.9

Product Status

Vendor Ubiquiti Inc
Product UniFi OS Server
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Dream Machines
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Enterprise Fortress Gateway
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Dream Wall
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Dream Routers
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Express 7
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Cloud Keys
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Network Video Recorders
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Enterprise Video Recorders
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Cloud Gateways
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Network Attached Storage
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)
Vendor Ubiquiti Inc
Product Enterprise Firewall Core
Versions Default: unaffected
  • affected from 0 to 5.1.19 (excl.)

References

Problem Types

  • CWE-20 Improper Input Validation CWE