nginx proxy manager vulnerabilities and fixes
Recent CVEs affecting nginx proxy manager, with upgrade or downgrade steps. 4 tracked.
Also searched as: nginxproxymanager.
nginx proxy manager has 4 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 2. Most recent: 2025-08-19. Highest priority: CVE-2024-46256 (score 74/100).
- CVE-2025-50579 MEDIUM 5.3 DOWNGRADE A CORS misconfiguration in Nginx Proxy Manager v2.12.3 allows unauthorized domains to access sensitive data, p
- CVE-2024-46257 MEDIUM 6.3 DOWNGRADE A Command injection vulnerability in requestLetsEncryptSslWithDnsChallenge in NginxProxyManager 2.11.3 allows
- CVE-2024-46256 CRITICAL 9.8 DOWNGRADE A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to R
- CVE-2024-39935 HIGH 8.8 UPGRADE jc21 NGINX Proxy Manager before 2.11.3 allows backend/internal/certificate.js OS command injection by an authe
FAQ
How do I fix nginx proxy manager vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is nginx proxy manager being exploited right now?
None of the tracked nginx proxy manager CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which nginx proxy manager CVE should I patch first?
CVE-2024-46256 currently ranks highest (74/100): A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to R.