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CVE-2026-47370 is a critical improper input validation vulnerability in Ubiquiti UniFi OS that allows command injection on affected devices and instances. The flaw arises because UniFi OS does not properly validate or sanitize certain attacker-controlled input before incorporating it into a system command execution context. A malicious actor with network access and low privileges can exploit the issue without user interaction to execute arbitrary operating system commands on the target. Public reporting indicates the vulnerability affects multiple UniFi OS product families, including gateways, consoles, NVR appliances, UniFi OS Server, NAS devices, and Express appliances running vulnerable releases. The issue was disclosed in Ubiquiti Security Advisory Bulletin 065 and is associated with a CVSS v3.1 vector of AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A severe privilege escalation vulnerability in UniFi OS infrastructure that could allow unauthorized users to gain elevated privileges and potentially hijack the host device.
A command injection vulnerability in certain devices running UniFi OS, caused by improper input validation, that can be exploited by a low-privileged attacker with network access.
A Bulletin 065 vulnerability affecting UniFi OS / UID Enterprise Agent, mentioned as part of a chain with CVE-2026-47368; the exact flaw type is not explicitly mapped in the content.
A related improper input validation vulnerability in UniFi OS that enables command injection.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.