CVE-2026-102334
Nginx Proxy Manager through 2.16.0 lacks rate-limiting on authentication endpoints, allowing…
- Risk score
- 67/100
- CVSS
- 7.4 v3.1
- Exploit chance (30 days)
- 0.5%
- Published
- 28 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 7.4 high
- Remotely exploitable without logging in
- On your watchlist: nginx
References
- https://github.com/NginxProxyManager/nginx-proxy-manager
- 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/token.js#L154-L182
- 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
Original 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.
Last activity 28 Sep 2026. Patch Forecast updates every hour.