PT-2026-82059 · Ubiquiti · Unifi Os Server
CVE-2026-77540
·
Published
2026-08-26
·
Updated
2026-08-28
CVSS v3.1
9.1
Critical
| Vector | AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
UniFi OS Server (affected versions not specified)
Description
An improper input validation issue allows a malicious actor with network access and high privileges to perform command injection on the host device. Command injection is a technique where an attacker executes arbitrary operating system commands on a server by exploiting insufficient validation of user-supplied input.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
RCE
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Weakness Enumeration
Related Identifiers
Affected Products
Unifi Os Server