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.
Published: 2026-07-02
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 06 Jul 2026 23:45:00 +0000

Type Values Removed Values Added
Title CORS Misconfiguration in UniFi OS Enabling Unauthorized Actions via Authenticated User Session

Mon, 06 Jul 2026 11:15:00 +0000

Type Values Removed Values Added
Title CORS Misconfiguration in UniFi OS Enabling Unauthorized Actions via Authenticated User Session

Sun, 05 Jul 2026 20:45:00 +0000

Type Values Removed Values Added
Title CORS Misconfiguration Exploitable by Authenticated Users in UniFi OS

Sun, 05 Jul 2026 10:00:00 +0000

Type Values Removed Values Added
Title CORS Misconfiguration Exploitable by Authenticated Users in UniFi OS

Sun, 05 Jul 2026 02:00:00 +0000

Type Values Removed Values Added
Title UniFi OS CORS Misconfiguration Allows Unauthorized Actions in Authenticated Sessions

Sat, 04 Jul 2026 18:00:00 +0000

Type Values Removed Values Added
Title UniFi OS CORS Misconfiguration Allows Unauthorized Actions in Authenticated Sessions

Sat, 04 Jul 2026 10:15:00 +0000

Type Values Removed Values Added
Title CORS Misconfiguration in UniFi OS Enabling Unauthorized Actions

Fri, 03 Jul 2026 21:15:00 +0000

Type Values Removed Values Added
Title CORS Misconfiguration in UniFi OS Enabling Unauthorized Actions

Fri, 03 Jul 2026 10:45:00 +0000

Type Values Removed Values Added
Title CORS Misconfiguration Enables Authenticated Session Abuse in UniFi OS

Thu, 02 Jul 2026 23:45:00 +0000

Type Values Removed Values Added
Title CORS Misconfiguration Enables Authenticated Session Abuse in UniFi OS

Thu, 02 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 02 Jul 2026 15:15:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-942
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-07-02T15:52:20.711Z

Reserved: 2026-06-16T15:00:01.614Z

Link: CVE-2026-55110

cve-icon Vulnrichment

Updated: 2026-07-02T15:41:36.930Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-06T23:30:12Z

Weaknesses