CVE-2026-54403

Summary

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in certain devices running UniFi OS to bypass authentication of such UniFi OS devices or instances.

Affected Software

VendorProductVersion RangeStatus
Ubiquiti IncUniFi OS Server0 < 5.1.19affected
Ubiquiti IncDream Machines0 < 5.1.19affected
Ubiquiti IncEnterprise Fortress Gateway0 < 5.1.19affected
Ubiquiti IncDream Wall0 < 5.1.19affected
Ubiquiti IncDream Routers0 < 5.1.19affected
Ubiquiti IncExpress 70 < 5.1.19affected
Ubiquiti IncCloud Keys0 < 5.1.19affected
Ubiquiti IncNetwork Video Recorders0 < 5.1.19affected
Ubiquiti IncEnterprise Video Recorders0 < 5.1.19affected
Ubiquiti IncCloud Gateways0 < 5.1.19affected
Ubiquiti IncNetwork Attached Storage0 < 5.1.19affected
Ubiquiti IncEnterprise Firewall Core0 < 5.1.19affected

Weaknesses

  • CWE-22: CWE-22 Path Traversal

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References