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

Thu, 13 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Resource Sharing Misconfiguration in UniFi OS Allows Unauthorized API Calls

Mon, 03 Aug 2026 06:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Resource Sharing Misconfiguration in UniFi OS Allows Unauthorized API Calls

Tue, 28 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Resource Sharing Misconfiguration Exposes Authenticated Sessions in UniFi OS

Fri, 24 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Resource Sharing Misconfiguration Exposes Authenticated Sessions in UniFi OS

Wed, 22 Jul 2026 13:45:00 +0000

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

Fri, 17 Jul 2026 11:00:00 +0000

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

Wed, 15 Jul 2026 10:00:00 +0000

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

Mon, 13 Jul 2026 14:45:00 +0000

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

Mon, 13 Jul 2026 03:15:00 +0000

Type Values Removed Values Added
Title CORS misconfiguration in UniFi OS permits attackers to execute privileged actions using a victim's session

Sat, 11 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
Title CORS misconfiguration in UniFi OS permits attackers to execute privileged actions using a victim's session

Fri, 10 Jul 2026 16:00:00 +0000

Type Values Removed Values Added
Title CORS Misconfiguration in UniFi OS Enables Unauthorized API Calls

Thu, 09 Jul 2026 18:15:00 +0000

Type Values Removed Values Added
Title CORS Misconfiguration in UniFi OS Enables Unauthorized API Calls

Thu, 09 Jul 2026 05:45:00 +0000

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

Wed, 08 Jul 2026 12:15:00 +0000

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

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

Ui Enterprise Firewall Core Enterprise Firewall Core Firmware Enterprise Fortress Gateway Enterprise Fortress Gateway Firmware Enterprise Network Video Recorder Enterprise Network Video Recorder Core Enterprise Network Video Recorder Core Firmware Enterprise Network Video Recorder Firmware Unas 2 Unas 2 Firmware Unas 4 Unas 4 Firmware Unas Pro Unas Pro 4 Unas Pro 4 Firmware Unas Pro 8 Unas Pro 8 Firmware Unas Pro Firmware Unifi Cloud Gateway Fiber Unifi Cloud Gateway Fiber Firmware Unifi Cloud Gateway Industrial Unifi Cloud Gateway Industrial Firmware Unifi Cloud Gateway Max Unifi Cloud Gateway Max Firmware Unifi Cloud Gateway Ultra Unifi Cloud Gateway Ultra Firmware Unifi Cloud Key Plus Unifi Cloud Key Plus Firmware Unifi Cloudkey Unifi Cloudkey Enterprise Unifi Cloudkey Enterprise Firmware Unifi Cloudkey Firmware Unifi Dream Machine Beast Unifi Dream Machine Beast Firmware Unifi Dream Machine Pro Unifi Dream Machine Pro Firmware Unifi Dream Machine Pro Max Unifi Dream Machine Pro Max Firmware Unifi Dream Machine Special Edition Unifi Dream Machine Special Edition Firmware Unifi Dream Router Unifi Dream Router 7 Unifi Dream Router 7 Firmware Unifi Dream Router Firmware Unifi Dream Wall Unifi Dream Wall Firmware Unifi Express 7 Unifi Express 7 Firmware Unifi Network Video Recorder Unifi Network Video Recorder Firmware Unifi Network Video Recorder G2 Unifi Network Video Recorder G2 Firmware Unifi Network Video Recorder G2 Pro Unifi Network Video Recorder G2 Pro Firmware Unifi Network Video Recorder Instant Unifi Network Video Recorder Instant Firmware Unifi Network Video Recorder Pro Unifi Network Video Recorder Pro Firmware Unifi Os Server
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

Status : Undergoing Analysis

Published: 2026-07-02T15:17:04.870

Modified: 2026-07-09T18:33:16.890

Link: CVE-2026-55110

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T14:15:05Z

Weaknesses