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TI-2026-39816 Aliases CVE-2026-55118GHSA-f3pc-vh4r-hxxh

Improper access control in Ubiquiti UniFi Network Application

Priority LOW 36CWE-284Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

A malicious actor with access to the network,low privileges and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi Network Application to escalate privileges within the UniFi Network Application.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00367 30th 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
No
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-2026-39281 Improper input validation in Ubiquiti UniFi Network ApplicationPriority LOW 39
    • TI-2026-39282 Path traversal in Ubiquiti UniFi Network ApplicationPriority LOW 38
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-55118
  2. 2026-10-03 Alias added: GHSA-f3pc-vh4r-hxxh

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-2026-39281 Improper input validation in Ubiquiti UniFi Network Application CVSS 3.1HIGH 7.5
  • 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-2026-40984 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