CVE-2026-34908 — CRITICAL (10.0)

Vulnerability Description

A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to the system.

CVSS Score

10.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-284

References

https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4c

FAQ

What is CVE-2026-34908?

CVE-2026-34908 is a vulnerability with a CVSS score of 10.0 (CRITICAL). A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to the system.

How severe is CVE-2026-34908?

CVE-2026-34908 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-34908?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.