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CVE Vulnerability Details :
CVE-2026-34909
PUBLISHED
More InfoOfficial Page
Assigner-hackerone
Assigner Org ID-36234546-b8fa-4601-9d6f-f4e334aa8ea1
View Known Exploited Vulnerability (KEV) details
Published At-22 May, 2026 | 00:43
Updated At-22 May, 2026 | 20:19
Rejected At-
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UniFi OS Server
Default Status
unaffected
Versions
Affected
  • From 0 before 5.0.8 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
Express
Default Status
unaffected
Versions
Affected
  • From 0 before 4.0.14 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UDM
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UDM-Pro
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UDM-SE
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UDM-Pro-Max
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UDM-Beast
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.11 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
EFG
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UDW
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UDR
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UDR7
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UDR-5G
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
Express 7
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UNVR
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UNVR-Pro
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UNVR-Instant
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UNVR-G2
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UNVR-G2-Pro
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
ENVR
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
ENVR-Core
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UNAS-2
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.10 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UNAS-4
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.10 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UNAS-Pro
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.10 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UNAS-Pro-4
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.10 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UNAS-Pro-8
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.10 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UCKP
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UCK
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UCK-Enterprise
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UCG-Ultra
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UCG-Max
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UCG-Fiber
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Vendor
Ubiquiti Inc.Ubiquiti Inc
Product
UCG-Industrial
Default Status
unaffected
Versions
Affected
  • From 0 before 5.1.12 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-22CWE-22 Path Traversal
Type: CWE
CWE ID: CWE-22
Description: CWE-22 Path Traversal
Metrics
VersionBase scoreBase severityVector
3.110.0CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Version: 3.1
Base score: 10.0
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b
N/A
Hyperlink: https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found