Vulnerability DatabaseCVE-2026-42222
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CVE-2026-42222
Published:May 04, 2026
Updated:June 25, 2026
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.
Related Resources (3)
https://nvd.nist.gov/vuln/detail/CVE-2026-42222
https://github.com/0xJacky/nginx-ui
https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-mxqh-q9h6-v8pq
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CVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authentication for Critical Function
CWE-306
Improper Access Control
CWE-284
EPSS
Base Score:
0.34