WID-SEC-W-2026-1639

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Ubiquiti UniFi OS Server: Mehrere Schwachstellen

view advisory published 2026-05-21

Ein Angreifer kann mehrere Schwachstellen in Ubiquiti UniFi OS Server ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.

01

describes (5)

Related CVEs.

IDseverity exploitable
CVE-2026-34911US——
A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that…
CVE-2026-34910US—OT criticalKEV
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.
CVE-2026-34909US—OT criticalKEV
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulat…
CVE-2026-34908US—OT criticalKEV
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.
CVE-2026-33000US——
A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.
02

references

External citations — patches, advisories, analysis.

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