CVE-2026-42222

Nginx UI is a web user interface for the Nginx web server. In version 2.3.5, an unauthenticated bootstrap takeover exists in nginx-ui during the initial installation window exposed by POST /api/install. At time of publication no public patches are available.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-mxqh-q9h6-v8pq	Exploit Vendor Advisory
https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-mxqh-q9h6-v8pq	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nginxui:nginx_ui:2.3.5:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-05-04 21:16

Updated : 2026-06-17 10:47

NVD link : CVE-2026-42222

Mitre link : CVE-2026-42222

CVE.ORG link : CVE-2026-42222

JSON object : View

Products Affected

nginxui

nginx_ui

CWE

CWE-284

Improper Access Control

CWE-306

Missing Authentication for Critical Function

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