CVE-2026-55116CWE-284

A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain…

Critical · published July 2, 2026

CVSS v3.1
9.0
EPSS
0%
Percentile
34.4
In the wild
Unconfirmed
What it is

A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.

The record
Technical detail
CVSS v3.1
9.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00412 · 34.4th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-07-02T14:50Z
EPSS history
Timeline
  • 02 JUL 14:50Z
    A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain…
    cvelistv5