---
title: "CVE-2026-102334: Nginx Proxy Manager - Authentication Bypass"
description: "Nginx Proxy Manager through 2.16.0 contains a broken authentication caused by lack of rate-limiting on authentication endpoints, letting unauthenticated attackers brute-force login credentials and TOTP codes to gain full session and admin access."
url: https://panop.io/threat-heartbeat/CVE-2026-102334/
---

# CVE-2026-102334 Nginx Proxy Manager - Authentication Bypass

Nginx Proxy Manager through 2.16.0 contains a broken authentication caused by lack of rate-limiting on authentication endpoints, letting unauthenticated attackers brute-force login credentials and TOTP codes to gain full session and admin access.

CVSS base score 7.4 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.45% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102334)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

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

Published

28 September 2026

Updated

15 October 2026

Weakness

[CWE-307](https://cwe.mitre.org/data/definitions/307.html)

## Vendor fix

Update to the latest version beyond 2.16.0 that implements rate-limiting on authentication endpoints.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-102334](https://nvd.nist.gov/vuln/detail/CVE-2026-102334)
- [https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/app.js#L15-L58](https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/app.js#L15-L58)
- [https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/2fa.js#L196-L240](https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/2fa.js#L196-L240)
- [https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/token.js#L154-L182](https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/token.js#L154-L182)
- [https://github.com/NginxProxyManager/nginx-proxy-manager/pull/5908](https://github.com/NginxProxyManager/nginx-proxy-manager/pull/5908)
- [https://www.vulncheck.com/advisories/nginx-proxy-manager-through-2.16.0-missing-brute-force-protection](https://www.vulncheck.com/advisories/nginx-proxy-manager-through-2.16.0-missing-brute-force-protection)
- [https://github.com/NginxProxyManager/nginx-proxy-manager](https://github.com/NginxProxyManager/nginx-proxy-manager)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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