CVE-2026-34909 PUBLISHED

Assigner: hackerone
Reserved: 31.03.2026 Published: 22.05.2026 Updated: 22.05.2026

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to access an underlying account.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 10

Product Status

Vendor Ubiquiti Inc
Product UniFi OS Server
Versions Default: unaffected
  • affected from 0 to 5.0.8 (excl.)
Vendor Ubiquiti Inc
Product UDM
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UDM-Pro
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UDM-SE
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UDM-Pro-Max
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UDM-Beast
Versions Default: unaffected
  • affected from 0 to 5.1.11 (excl.)
Vendor Ubiquiti Inc
Product EFG
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UDW
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UDR
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UDR7
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UDR-5G
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product Express 7
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UNVR
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UNVR-Pro
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UNVR-Instant
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UNVR-G2
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UNVR-G2-Pro
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product ENVR
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product ENVR-Core
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UNAS-2
Versions Default: unaffected
  • affected from 0 to 5.1.10 (excl.)
Vendor Ubiquiti Inc
Product UNAS-4
Versions Default: unaffected
  • affected from 0 to 5.1.10 (excl.)
Vendor Ubiquiti Inc
Product UNAS-Pro
Versions Default: unaffected
  • affected from 0 to 5.1.10 (excl.)
Vendor Ubiquiti Inc
Product UNAS-Pro-4
Versions Default: unaffected
  • affected from 0 to 5.1.10 (excl.)
Vendor Ubiquiti Inc
Product UNAS-Pro-8
Versions Default: unaffected
  • affected from 0 to 5.1.10 (excl.)
Vendor Ubiquiti Inc
Product UCKP
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UCK
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UCK-Enterprise
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UCG-Ultra
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UCG-Max
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UCG-Fiber
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)
Vendor Ubiquiti Inc
Product UCG-Industrial
Versions Default: unaffected
  • affected from 0 to 5.1.12 (excl.)

References

Problem Types

  • CWE-22 Path Traversal CWE