PatchSiren cyber security CVE debrief

CVE-2026-48610 Ubiquiti Inc CVE debrief

CVE-2026-48610 is a HIGH-severity vulnerability (CVSS Score: 8.1) affecting certain devices running UniFi OS. An Improper Access Control vulnerability allows a malicious actor with network access to make unauthorized changes to UniFi OS devices under specific network configurations.

Vendor: Ubiquiti Inc
Product: UDM
CVSS: HIGH 8.1
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-12
Original CVE updated: 2026-06-12
Advisory published: 2026-06-12
Advisory updated: 2026-06-12

Who should care

Administrators and users of UniFi OS devices should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability has a CVSS Vector of CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. It is classified under CWE-284: Improper Access Control.

Defensive priority

HIGH

Recommended defensive actions

Apply patches or updates provided by the vendor as soon as possible.
Review and update network configurations to minimize the attack surface.
Monitor UniFi OS devices for suspicious activity.

Evidence notes

The CVE record was published on 2026-06-12T04:17:06.803Z and modified on 2026-06-12T16:10:10.070Z. The vendor is listed as Unknown Vendor, but evidence suggests a potential link to Ui.

Official resources

CVE-2026-48610 was published on 2026-06-12T04:17:06.803Z.