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    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.

    Published:May 4, 2026
    Last Modified:May 6, 2026
    EPS:May 4, 2026
    EPSS Score:0.00041
    CVSS Score:8.1

    Affected Products

    Vendor
    0xjacky
    Product
    Nginx-ui
    Vendor
    Nginxui
    Product
    Nginx Ui

    Exploits

    https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-mxqh-q9h6-v8pqhttps://github.com/0xJacky/nginx-ui/security/advisories/GHSA-mxqh-q9h6-v8pq

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-12 Choosing Message Identifier
    CAPEC-166 Force the System to Reset Values
    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-216 Communication Channel Manipulation
    CAPEC-36 Using Unpublished Interfaces or Functionality
    CAPEC-441 Malicious Logic Insertion
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-578 Disable Security Software
    CAPEC-62 Cross Site Request Forgery

    Related CVEs

    CVE-2026-44015 (CVSS 8.5) — Nginx UI is a web user interface for the Nginx web server. In 2.3.4 and earlier, an authenticated user can per…
    CVE-2026-42238 (CVSS 9) — Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, nginx-ui exposes a backup r…
    CVE-2026-42223 (CVSS 6.5) — Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, the GetSettings API handler…
    CVE-2026-42221 (CVSS 8.1) — Nginx UI is a web user interface for the Nginx web server. From version 2.0.0 to before version 2.3.8, an unau…
    CVE-2026-42220 (CVSS 6.5) — Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, an authenticated user can c…
    CVE-2026-34403 (CVSS 5.5) — Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.5, all WebSocket endpoints in …
    CVE-2026-33031 (CVSS 8.6) — Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, a user who was disabled by …
    CVE-2026-33026 (CVSS 9.4) — Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui backup restore…
    CVE-2026-33027 (CVSS 6.9) — Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui configuration …
    CVE-2026-33028 (CVSS 7.1) — Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui application is…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High