CVE-2026-34908
Ubiquiti UniFi OS Improper Access Control Vulnerability
- Published
- May 22, 2026
- Updated
- Jun 24, 2026
- Assigning CNA
- hackerone
- Evidence observed
- Jun 23, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
1- CVE-2026-34908-checkScanner
Safely detect whether a UniFi OS Server is vulnerable to CVE-2026-34908
Responsible use
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