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CVE-2026-33029
Nginx UI vulnerability analysis and mitigation

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 the rotation interval, the backend enters an infinite loop or an invalid state, rendering the web interface unresponsive. This issue has been patched in version 2.3.4.


SourceNVD

Related Nginx UI vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-33030CRITICAL9.9
  • Nginx UINginx UI
  • github.com/0xjacky/nginx-ui
NoNoMar 30, 2026
CVE-2026-33032CRITICAL9.8
  • Nginx UINginx UI
  • cpe:2.3:a:nginxui:nginx_ui
NoNoMar 30, 2026
CVE-2026-33026CRITICAL9.4
  • Nginx UINginx UI
  • github.com/0xjacky/nginx-ui
NoYesMar 30, 2026
CVE-2026-33028HIGH7.1
  • Nginx UINginx UI
  • cpe:2.3:a:nginxui:nginx_ui
NoYesMar 30, 2026
CVE-2026-33029MEDIUM6.9
  • Nginx UINginx UI
  • cpe:2.3:a:nginxui:nginx_ui
NoYesMar 30, 2026

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