CVE-2026-55110

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-55110
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-02 15:17:04 UTC
Updated2026-07-09 18:33:16 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 6.1 MEDIUM from [email protected]

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

EPSS: 0.001810000 probability, percentile 0.078760000 (date 2026-07-04)

Problem Types: CWE-942 | NVD-CWE-Other | CWE-942 CWE-942 Permissive Cross-domain Policy with Untrusted Domains

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Ui Unifi Dream Machine Beast - All All All
Operating System Ui Unifi Dream Machine Beast Firmware All All All All
Hardware Ui Unifi Dream Machine Pro - All All All
Operating System Ui Unifi Dream Machine Pro Firmware All All All All
Hardware Ui Unifi Dream Machine Pro Max - All All All
Operating System Ui Unifi Dream Machine Pro Max Firmware All All All All
Hardware Ui Unifi Dream Machine Special Edition - All All All
Operating System Ui Unifi Dream Machine Special Edition Firmware All All All All
Application Ui Unifi Os Server All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Ubiquiti Inc UniFi OS Server affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Dream Machines affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Enterprise Fortress Gateway affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Dream Wall affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Dream Routers affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Express 7 affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Cloud Keys affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Network Video Recorders affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Enterprise Video Recorders affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Cloud Gateways affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Network Attached Storage affected 5.1.19 semver Not specified
CNA Ubiquiti Inc Enterprise Firewall Core affected 5.1.19 semver Not specified

References

ReferenceSourceLinkTags
community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-422... [email protected] community.ui.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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