CVE-2026-33000CRITICAL 9.1EPSS p66.4%

CVE-2026-33000CVE-2026-33000

ui / unifi_os_server

Description

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.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS1.25% probability of exploitation · percentile 66.4% · 2026-08-03T12:00:16Z
Published2026-05-22
Last modified2026-07-23

Underlying weaknesses· 1

CWE-20

References

  1. https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b

1

TypeTargetConfidenceTier
WeaknessImproper Input Validationcwe-200%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Ubiquiti UniFi OS Improper Input Validation Vulnerability
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CVE-2025-27212
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CVE-2026-22563
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Ubiquiti UniFi OS Improper Access Control Vulnerability
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CVE-2026-22559
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CVE-2026-20034
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.