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CISA Known Exploited Vulnerability

This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.

CVE

CVE-2026-34908

10.0

CVSScritical

Exploitable remotely over the internet · no authentication required.

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.

Attack Vector

Network

Privileges Req.

None

User Interaction

None

unifi os serverudmudm-proudm-seudm-pro-maxudm-beast

Updated Sep 18, 2026View on NVD →

S4E scanner

criticalProduct Based Web Vulnerabilities~10 seconds

CVE-2026-34908 Scanner

CVE-2026-34908 Scanner - Path Traversal vulnerability in UniFi OS

Used 3.2k times · 5.9k assets checked · domain, subdomain, ipv4

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CVE history: unifi os server

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