by Kastro
Paper/Archive/CVE-2026-33000

CVE-2026-33000

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

EPSS 1%CVSS 9.1
critical.is priorityof 100
41
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 69.4.694 × 2013.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.

Affected

ProductAffectedFixed inSource
UniFi OS Server< 5.0.85.0.8CNA

Scores by source

hackerone (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:H/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-064-064/84811c09-4cf4-42ab-bd61-cc994445963b