CVE-2026-40519Public exploitNetwork attack vector

Authenticated command execution via credential shell interpolation

Published Jun 8, 2026 · Updated Jun 8, 2026

OS command injection in Nginx Proxy Manager 2.9.14 through 2.15.1 allows remote authenticated users to execute arbitrary commands. setupCertbotPlugins() places dns_provider_credentials into a single-quoted shell command passed to child_process.exec() after escaping quotes before backslashes. The user must hold certificates:manage permission and store the payload before a backend restart triggers execution as the container backend process.

CVSS severity7.7
High
EPSS probability0.92%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Nginx Proxy Manager 2.9.14 through 2.15.1 allows remote authenticated users to execute arbitrary commands. setupCertbotPlugins() places dns_provider_credentials into a single-quoted shell command passed to child_process.exec() after escaping quotes before backslashes. The user must hold certificates:manage permission and store the payload before a backend restart triggers execution as the container backend process.

The record

CVE
CVE-2026-40519
Published
Jun 8, 2026
Updated
Jun 8, 2026
Vendor
Nginx Proxy Manager
Product
Nginx Proxy Manager
Classifications
CWE-78, T1059.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 8, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.9.14 <=2.15.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Nginx Proxy Manager · Nginx Proxy Managerversion=2.9.14 <=2.15.1

Published CVSS scores

7.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.5VulnCheckCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059.004Command and Scripting Interpreter: Unix Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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