CVE-2026-34908 Ubiquiti Inc UniFi OS Server
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.
- CVSS
- 10.0 Critical
- EPSS
- 89%
- Percentile
- 100
- Published
- 2026-05-22
- Force
- 11 of 12
- Public PoC
- 1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
On CISA’s exploited list
Ubiquiti UniFi OS Improper Access Control Vulnerability
- Added
- 2026-06-23
- Federal patch deadline
- 2026-06-26
- Ransomware use
- not known