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CVSS 8.1 · High
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I. Basic Information for CVE-2026-42222
Vulnerability Information
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Vulnerability Title
nginx-ui: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
0xJackynginx-ui = 2.3.5 -
II. Public POCs for CVE-2026-42222
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III. Intelligence Information for CVE-2026-42222
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IV. Related Vulnerabilities
Same product: nginx-ui
Same vendor: 0xJacky
Same weakness: CWE-306
V. Comments for CVE-2026-42222

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