CVE-2026-33000

⛔ critical

Summary

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.

CVSS Score

9.1

Critical

EPSS Score

1.1

Exploit Probability

Published Date

2026-05-22

First Seen: 2026-05-23

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 87.7% of all 330,193 vulnerabilities in our database.

#40,600

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 22, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-06-24

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CWE IDs (Weakness Types)

CWE-20

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
ui	unifi_os_server	Affected	< 5.0.8

🔗 References 1

https://community.ui.com/releases/Security-Advisory-...

Patch Vendor Advisory

🔗 Related CVEs 4

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-34908	⛔ critical	10.0	2.5	A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS de...	2026-05-22
CVE-2026-34909	⛔ critical	10.0	2.3	A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to a...	2026-05-22
CVE-2026-34910	⛔ critical	10.0	78.6	A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS ...	2026-05-22
CVE-2026-34911	⚠️ high	7.7	0.7	A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in Un...	2026-05-22

These CVEs affect the same products