by Kastro
Paper/Archive/CVE-2026-47370

CVE-2026-47370

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

EPSS 0.8%CVSS 9.9
critical.is priorityof 100
41
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 57.7.577 × 2011.5No 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 certain devices running UniFi OS to execute a Command Injection within such UniFi OS devices or instances.

Affected

ProductAffectedFixed inSource
UniFi OS Server< 5.1.155.1.15CNA
Express< 4.0.154.0.15CNA
UDM< 5.1.155.1.15CNA
UDM-Pro< 5.1.155.1.15CNA
UDM-SE< 5.1.155.1.15CNA
UDM-Pro-Max< 5.1.155.1.15CNA
UDM-Beast< 5.1.155.1.15CNA
EFG< 5.1.155.1.15CNA
UDW< 5.1.155.1.15CNA
UDR< 5.1.155.1.15CNA
UDR7< 5.1.155.1.15CNA
UDR-5G< 5.1.155.1.15CNA

Scores by source

hackerone (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-065-065/aa46a22b-fc43-4eae-9382-6fc8feda967a