CVE-2026-77540

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CVSS 3.1

9.1 critical

EPSS

<1%p55

Published

Aug 26, 2026 (21d ago)

Modified

Aug 28, 2026

Description

A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a Command Injection on the host device.

Weakness: CWE-20
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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