Improper input validation in Ubiquiti Inc Efg

CVE-2026-34910

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

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (28.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-34910?
CVE-2026-34910 is a critical-severity vulnerability in Ubiquiti Inc Efg, classified under Improper Input Validation. CVSS score: 10.0/10. Published 2026-05-22.
How severe is CVE-2026-34910?
Critical severity. CVSS v3 base score is 10.0 out of 10.