CVE-2026-34198 Coolify: Password reset link poisoning via X-Forwarded-Host header spoofing

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the TrustProxies middleware trusts all proxies $proxies = '', accepting X-Forwarded-Host from any source. The TrustHosts middleware, intended to prevent host header attacks...

CVE-2026-34198 Coolify: Password reset link poisoning via X-Forwarded-Host header spoofing

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the TrustProxies middleware trusts all proxies $proxies = '', accepting X-Forwarded-Host from any source. The TrustHosts middleware, intended to prevent host header attacks...

Insufficient Verification of Data Authenticity

Overview Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity in the ForwardAuth process when trustForwardHeader is set to false. An attacker can bypass port-based authorization checks by injecting a crafted X-Forwarded-Proto header over an unencrypte...

Insufficient Verification of Data Authenticity

Overview Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity in the ForwardAuth process when trustForwardHeader is set to false. An attacker can bypass port-based authorization checks by injecting a crafted X-Forwarded-Proto header over an unencrypte...

GHSA-7CFM-PQRJ-XGQ7 9router: Login brute-force protection bypass via spoofed X-Forwarded-For header

Summary The 9router dashboard login rate limiter derives the client identity from the attacker-controlled X-Forwarded-For HTTP header. When 9router is directly exposed, or deployed behind a reverse proxy that does not overwrite untrusted forwarding headers, a remote attacker can rotate the...

NPM: 9router: Login brute-force protection bypass via spoofed X-Forwarded-For header

NPM: 9router: Login brute-force protection bypass via spoofed X-Forwarded-For header vulnerability discovered by ? in WordPress Npm 9router versions = 0.4.71...

9router: Login brute-force protection bypass via spoofed X-Forwarded-For header

Summary The 9router dashboard login rate limiter derives the client identity from the attacker-controlled X-Forwarded-For HTTP header. When 9router is directly exposed, or deployed behind a reverse proxy that does not overwrite untrusted forwarding headers, a remote attacker can rotate the...

CVE-2026-54764

Traefik is an HTTP reverse proxy and load balancer. Prior to v2.11.51, v3.6.22, and v3.7.6, Traefik's ForwardAuth middleware, even when configured with trustForwardHeader: false, derives the X-Forwarded-Port header sent to the authentication service from the original incoming request instead of t...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' in the httpapi.RequestHost process. An attacker can gain unauthorized access to sensitive data by sending requests with a crafted X-Forwarded-Host header, which is trusted over the real...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' in the httpapi.RequestHost process. An attacker can gain unauthorized access to sensitive data by sending requests with a crafted X-Forwarded-Host header, which is trusted over the real...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' in the httpapi.RequestHost process. An attacker can gain unauthorized access to sensitive data by sending requests with a crafted X-Forwarded-Host header, which is trusted over the real...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' in the httpapi.RequestHost process. An attacker can gain unauthorized access to sensitive data by sending requests with a crafted X-Forwarded-Host header, which is trusted over the real...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' in the httpapi.RequestHost process. An attacker can gain unauthorized access to sensitive data by sending requests with a crafted X-Forwarded-Host header, which is trusted over the real...

GHSA-5G4W-3VW9-478W Coder's subdomain workspace app routing trusts unauthenticated X-Forwarded-Host header, enabling cross-app data access

Summary The workspace app proxy resolves the target app from httpapi.RequestHost which prefers the X-Forwarded-Host header over the real Host header. No middleware strips X-Forwarded-Host before routing and the header is not browser-forbidden so client-side JavaScript can set it on fetch calls...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' in the httpapi.RequestHost process. An attacker can gain unauthorized access to sensitive data by sending requests with a crafted X-Forwarded-Host header, which is trusted over the real...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' in the httpapi.RequestHost process. An attacker can gain unauthorized access to sensitive data by sending requests with a crafted X-Forwarded-Host header, which is trusted over the real...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' in the httpapi.RequestHost process. An attacker can gain unauthorized access to sensitive data by sending requests with a crafted X-Forwarded-Host header, which is trusted over the real...

Coder's subdomain workspace app routing trusts unauthenticated X-Forwarded-Host header, enabling cross-app data access

Summary The workspace app proxy resolves the target app from httpapi.RequestHost which prefers the X-Forwarded-Host header over the real Host header. No middleware strips X-Forwarded-Host before routing and the header is not browser-forbidden so client-side JavaScript can set it on fetch calls...

CVE-2026-54764 ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false

Traefik is an HTTP reverse proxy and load balancer. Prior to v2.11.51, v3.6.22, and v3.7.6, Traefik's ForwardAuth middleware, even when configured with trustForwardHeader: false, derives the X-Forwarded-Port header sent to the authentication service from the original incoming request instead of t...

CVE-2026-54764

Traefik is an HTTP reverse proxy and load balancer. Prior to v2.11.51, v3.6.22, and v3.7.6, Traefik's ForwardAuth middleware, even when configured with trustForwardHeader: false, derives the X-Forwarded-Port header sent to the authentication service from the original incoming request instead of t...