CVE-2026-77539

CVSS 9.1 (critical) · published 2026-08-26

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

Source: NVD CVE-2026-77539

References

• https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9

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