Description
A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to RCE via Add Let's Encrypt Certificate.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 3 repositories
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barttran2k/POC_CVE-2024-46256 ★ 6 · Sep 19, 2024
POC_CVE-2024-46256
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TranDongA3/Simulation_CVE-2024-46256 ★ 0 · Oct 29, 2025
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kimtangker/CVE-2024-46256 ★ 0 · Oct 14, 2025
CVE-2024-46256 tool
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.11.3/backend/internal/certificate.js#L830
- https://github.com/NginxProxyManager/nginx-proxy-manager/commit/99cce7e2b0da2978411cedd7cac5fffbe15bc466
- https://github.com/barttran2k/POC_CVE-2024-46256
- https://github.com/NginxProxyManager/nginx-proxy-manager/pull/4073/commits/c39d5433bcd13993def222bbb2b6988bbb810a05