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Critical WID-SEC-2026-0931 6 CVEs

nginx-ui: Mehrere Schwachstellen

Published Mar 30, 2026 · Updated Apr 15, 2026 · Revision 2 · de-DE

Vendor: nginx Product: nginx

Summary

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in nginx-ui ausnutzen, um sich Administratorrechte zu verschaffen, beliebigen Code auszuführen, Daten zu manipulieren, Sicherheitsmaßnahmen zu umgehen oder einen Denial-of-Service-Zustand herbeizuführen.

Product

NGINX ist eine Webserver-, Reverse Proxy- und E-Mail-Proxy Software.

Vulnerabilities 6

  • Critical 9.8
    CVE-2026-33032 Public exploit Scanner template EPSS 35%

    Nginx UI: Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

    Nginx UI is a web user interface for the Nginx web server. In versions 2.3.5 and prior, the nginx-ui MCP (Model Context Protocol) integration exposes two HTTP endpoints: /mcp and /mcp_message. While /mcp requires both IP whitelisting and authentication (AuthR…

    0xJacky nginx-ui github.com/0xJacky/Nginx-UI Go
  • Critical 9.4
    CVE-2026-33026

    nginx-ui Backup Restore Allows Tampering with Encrypted Backups

    Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui backup restore mechanism allows attackers to tamper with encrypted backup archives and inject malicious configuration during restoration. This issue has been patch…

    0xJacky nginx-ui github.com/0xJacky/Nginx-UI Go
  • High 8.8
    CVE-2026-33030

    Nginx UI: Unencrypted Storage of DNS API Tokens and ACME Private Keys

    Nginx UI is a web user interface for the Nginx web server. In versions 2.3.3 and prior, Nginx-UI contains an Insecure Direct Object Reference (IDOR) vulnerability that allows any authenticated user to access, modify, and delete resources belonging to other us…

    0xJacky nginx-ui github.com/0xJacky/Nginx-UI Go
  • High 7.1
    CVE-2026-33028

    Nginx UI: Race Condition Leads to Persistent Data Corruption and Service Collapse

    Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui application is vulnerable to a Race Condition. Due to the complete absence of synchronization mechanisms (Mutex) and non-atomic file writes, concurrent requests le…

    0xJacky nginx-ui github.com/0xJacky/Nginx-UI github.com/uozi-tech/cosy Go
  • Medium 6.9
    CVE-2026-33027

    Nginx UI: Improper Path Validation Allows Recursive Deletion of the Nginx Configuration Directory

    Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui configuration improperly handles URL-encoded traversal sequences. When specially crafted paths are supplied, the backend resolves them to the base Nginx configurat…

    0xJacky nginx-ui github.com/0xJacky/Nginx-UI Go
  • Medium 6.9
    CVE-2026-33029

    Nginx UI: DoS via Negative Integer Input in Logrotate Interval

    Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, an input validation vulnerability in the logrotate configuration allows an authenticated user to cause a complete Denial of Service (DoS). By submitting a negative integer for …

    0xJacky nginx-ui github.com/0xJacky/Nginx-UI Go

Revision history

  1. #2

    Exploit aufgenommen CVE-2026-33032

  2. #1

    Initiale Fassung

References