CVE-2026-55116

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Summary

CVECVE-2026-55116
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-02 15:17:05 UTC
Updated2026-07-02 16:54:47 UTC
DescriptionA malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.

Risk And Classification

Primary CVSS: v3.1 9 CRITICAL from [email protected]

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

Problem Types: CWE-284 | CWE-284 CWE-284 Improper Access Control - Generic

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED9CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
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 Gateways 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
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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