CVE-2026-40519

HIGH
MEDIUM Priority: 0.07 BB Relevance: 66/100
Published: 2026-06-08 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
AT: Present
VC: High
VI: High
VA: High

Description

Nginx Proxy Manager versions 2.9.14 through 2.15.1, fixed in commit a5db5ed, contain an authenticated remote code execution vulnerability via OS command injection in the setupCertbotPlugins() function in backend/setup.js, allowing attackers with certificates:manage permission to execute arbitrary commands by storing a malicious payload in the dns_provider_credentials field. The user-controlled dns_provider_credentials value is interpolated directly into a shell command executed via child_process.exec() without sanitization or escaping, causing the injected command to execute upon backend restart.

Affected Software (1)

VendorProductVersion
NginxProxyManager nginx-proxy-manager 2.9.14

Bug Bounty Relevance

66 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

7.7 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.92%
Raw Score 0.009210
Percentile 60.9%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00921
2026-11-12
0.00921
2026-11-10
0.00921
2026-11-09
0.00921
2026-11-08
0.00921

Intelligence Sources

mitre ref →