CVE-2026-55118
UniFi Network Application Improper Access Control Privilege Escalation
Description
A malicious actor with access to the network,low privileges and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi Network Application to escalate privileges within the UniFi Network Application.
INFO
Published Date :
July 2, 2026, 3:17 p.m.
Last Modified :
July 6, 2026, 7:26 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Apply UniFi Network Application security updates.
- Review and restrict network access controls.
- Audit user privileges regularly.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-55118.
| URL | Resource |
|---|---|
| https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-55118 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-55118
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-55118 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-55118 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 06, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:ui:unifi_network_application:*:*:*:*:*:*:*:* versions up to (excluding) 10.4.57 Added Reference Type HackerOne: https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 02, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-55118', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-02T15:48:43.036653Z'} -
New CVE Received by [email protected]
Jul. 02, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Ubiquiti Inc', 'product': 'UniFi Network Application', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '10.4.57', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added Description A malicious actor with access to the network,low privileges and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi Network Application to escalate privileges within the UniFi Network Application. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H Added CWE CWE-284 Added Reference https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc