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CRITICAL · 9.1

CVE-2026-33000

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.

Vulnerability 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.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
UiUnifi Os Server< 5.0.8

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2026-33000?

CVE-2026-33000 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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.

How severe is CVE-2026-33000?

CVE-2026-33000 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-33000?

Check the references section above for vendor advisories and patch information. Affected products include: Ui Unifi Os Server.