by Kastro
Paper/Archive/CVE-2026-77547

CVE-2026-77547

Ubiquiti Inc UniFi Access Application — A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi A…

EPSS 1%CVSS 9.9
critical.is priorityof 100
44
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 73.3.733 × 2014.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.

Affected

ProductAffectedFixed inSource
UniFi Access Application< 4.3.54.3.5CNA

Scores by source

Ubiquiti (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refcommunity.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9