CVE-2024-39935: JC21 Nginx Proxy Manager

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

jc21 NGINX Proxy Manager before 2.11.3 allows backend/internal/certificate.js OS command injection by an authenticated user (with certificate management privileges) via untrusted input to the DNS provider configuration. NOTE: this is not part of any NGINX software shipped by F5.

Affected products

• JC21 Nginx Proxy Manager: before 2.11.3 (fixed in 2.11.3)

Published 2024-07-04. Last modified 2026-06-17.