PYSEC-2026-4046 djust: WebSocket/runtime reconstructed request omits the client Host, causing host/subdomain TenantResolvers to misresolve the tenant on the live path

Impact The WebSocket handlemount and ViewRuntime.buildrequest rebuild an HttpRequest via RequestFactory.get... with no HTTPHOST, so request.gethost defaulted to "testserver" on the live path. Host/subdomain/domain TenantResolvers then misresolved the tenant — None on the live path while the HTTP...

djust: WebSocket/runtime reconstructed request omits the client Host, causing host/subdomain TenantResolvers to misresolve the tenant on the live path

ImpactThe WebSocket handlemount and ViewRuntime.buildrequest rebuild an HttpRequest via RequestFactory.get... with no HTTPHOST, so request.gethost defaulted to "testserver" on the live path. Host/subdomain/domain TenantResolvers then misresolved the tenant — None on the live path while the HTTP...

Authorization Bypass Through User-Controlled Key

Overview djust is a Phoenix LiveView-style reactive components for Django with Rust-powered performance. Real-time UI updates over WebSocket, no JavaScript build step required. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the handlemount...