CVE-2026-55110

MediumCVSS 6.1/10Last modified Jul 9, 2026

Description

A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Origin Resource Sharing (CORS) misconfiguration found in UniFi OS to trigger actions in UniFi OS using that user's session.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-942

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
Ubiquiti IncUniFi OS Server< 5.1.19
Ubiquiti IncDream Machines< 5.1.19
Ubiquiti IncEnterprise Fortress Gateway< 5.1.19
Ubiquiti IncDream Wall< 5.1.19
Ubiquiti IncDream Routers< 5.1.19
Ubiquiti IncExpress 7< 5.1.19
Ubiquiti IncCloud Keys< 5.1.19
Ubiquiti IncNetwork Video Recorders< 5.1.19
Ubiquiti IncEnterprise Video Recorders< 5.1.19
Ubiquiti IncCloud Gateways< 5.1.19
Ubiquiti IncNetwork Attached Storage< 5.1.19
Ubiquiti IncEnterprise Firewall Core< 5.1.19

References

Timeline

Published
Jul 2, 2026
Last modified
Jul 9, 2026
NVD status
Undergoing Analysis

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CVE-2026-55110: Medium severity, CVSS 6.1 | Vulnix