CVE-2026-102334

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.

  • Published Sep 28, 2026
  • CVSS 9.1 critical
  • 0.5% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-102334 at the National Vulnerability Database