CRITICAL 9.1 NVD

CVE-2026-77539

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

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.

References

Published: 2026-08-26 · Source: NVD · Feed updated: 2026-08-26
This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-08-26 via NVD.

Risk Timeline

CVE Disclosed2026-08-26 · -1 days ago

Remediation Resources

Official Advisory
community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43
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