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TI-2026-54058 Aliases CVE-2026-77538GHSA-r3g7-gfh5-gvp2

Improper access control in Ubiquiti UniFi Connect Application

Priority MEDIUM 42CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · Low
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 could exploit an Improper Access Control vulnerability found in UniFi Connect Application to escalate privileges within the UniFi Connect Application.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00392 33rd percentileScored 2026-11-07
Fix Fixed UniFi Connect Application (Ubiquiti Inc): 3.24.22

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 Connect Applicationbefore 3.24.223.24.22Patch availableCNA
  • UniFi Connect Application VendorUbiquiti Affected before 3.24.22 Fixed in 3.24.22 Patch available CNA

Remediation

  • Fix · CNA UniFi Connect Application (Ubiquiti Inc) Fixed in 3.24.22

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-77538
  2. 2026-10-03 Alias added: GHSA-r3g7-gfh5-gvp2

References

  • TI-2026-27142 Improper input validation in Ubiquiti UniFi OS Server KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-27141 Path traversal in Ubiquiti UniFi OS Server KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-27140 Improper access control in Ubiquiti UniFi OS Server KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-05027 On certain Ubiquiti devices, Command Injection exists via a GET request to stainfo.cgi… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-19187 AirControl 1.4.2 - PreAuth Remote Code Execution CVSS 4.0CRITICAL 9.3
  • TI-2015-07644 Ubiquiti airOS HTTP(S) unauthenticated arbitrary file upload CVSS 3.0CRITICAL 9.8
See all 206 →

Sources