CVE-2026-34198

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

CVE-2026-34198 concerns Coolify prior to 4.0.0-beta.471. The vulnerability stems from TrustProxies trusting all proxies and accepting X-Forwarded-Host from any source, combined with a circular dependency in TrustHosts that prevents host validation. As a result, when a password reset is requested,...