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Vulnerability record · CVE-2024-46256 · published 27 September 2024

CVE-2024-46256: Jc21 nginx proxy manager command injection vulnerability

Jc21 · Nginx Proxy Manager

A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to RCE via Add Let's Encrypt Certificate.

9.8 CVSS 3.1 Critical EPSS 3.1% · top 12.8% CWE-77 · Command injection
9.8CVSS 3.1 base score
3.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to RCE via Add Let's Encrypt Certificate.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.11.3/backend/internal/certificate.js#L830 Product
https://github.com/NginxProxyManager/nginx-proxy-manager/commit/99cce7e2b0da2978411cedd7cac5fffbe15bc466 Product
https://github.com/NginxProxyManager/nginx-proxy-manager/pull/4073/commits/c39d5433bcd13993def222bbb2b6988bbb810a05 Patch
https://github.com/barttran2k/POC_CVE-2024-46256 Exploit

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-46256), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.