CVE-2026-102334 Nginx Proxy Manager through 2.16.0 Missing Brute-Force Protection

Critical 9.1 Published Updated

Attackers can brute-force login credentials and TOTP codes due to missing rate limiting, gaining administrative control over the proxy manager.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-102334?

CVE-2026-102334 is a critical authentication bypass vulnerability in NginxProxyManager nginx-proxy-manager, published on 28 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Nginx Proxy Manager through 2.16.0 lacks rate-limiting on authentication endpoints, allowing unauthenticated attackers to make unlimited password guesses against any account. Attackers can brute-force login credentials via POST /api/tokens and subsequently guess TOTP codes via POST /api/tokens/2fa to gain full session access and administrative control.

Weakness: CWE-307

Which versions are affected by CVE-2026-102334?

How do I fix CVE-2026-102334?

No fix has been published for CVE-2026-102334 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-102334 being exploited?

There is no known exploitation of CVE-2026-102334 in the wild and no public exploit code.

Sources

Also known as GHSA-pm9h-p429-j8c5.

Is CVE-2026-102334 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free