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TI-2026-39281 Aliases CVE-2026-54405GHSA-j2cq-vphm-g3w3

Improper input validation in Ubiquiti UniFi Network Application

Priority LOW 39CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Network Application to execute a Denial of Service (DoS) attack on the application.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00522 44th percentileScored 2026-11-07
Fix Fixed UniFi Network Application (Ubiquiti Inc): 10.4.57

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UbiquitiUniFi Network Applicationbefore 10.4.5710.4.57Patch availableCNA
  • UniFi Network Application VendorUbiquiti Affected before 10.4.57 Fixed in 10.4.57 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ui:unifi_network_application:*:*:*:*:*:*:*:*before 10.4.57VulnerableUbiquiti
  • cpe:2.3:a:ui:unifi_network_application:*:*:*:*:*:*:*:* Versions before 10.4.57 Vulnerable ·Ubiquiti

Remediation

  • Fix · CNA UniFi Network Application (Ubiquiti Inc) Fixed in 10.4.57

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Ubiquiti UniFi Network Application 10.4.57

    5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2026-39812 Improper access control in Ubiquiti UniFi Network ApplicationPriority MEDIUM 40
    • TI-2026-39282 Path traversal in Ubiquiti UniFi Network ApplicationPriority LOW 38
    • TI-2026-39816 Improper access control in Ubiquiti UniFi Network ApplicationPriority LOW 36
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-54405
  2. 2026-10-03 Alias added: GHSA-j2cq-vphm-g3w3

References

Advisory 1

  • TI-2023-12911 Command injection in Ubiquiti UniFi Network application CVSS 3.1CRITICAL 9.1
  • TI-2026-39812 Improper access control in Ubiquiti UniFi Network Application CVSS 3.1HIGH 8.8
  • TI-2026-39282 Path traversal in Ubiquiti UniFi Network Application CVSS 3.1HIGH 8.7
  • TI-2024-28038 Command injection in Ubiquiti UniFi Network Application CVSS 3.1HIGH 7.8
  • TI-2026-39816 Improper access control in Ubiquiti UniFi Network Application CVSS 3.1HIGH 8.3
  • TI-2026-40984 Incorrect authorization in Ubiquiti UniFi Network Application CVSS 3.1HIGH 7.5
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences