CVE-2026-71325 Traefik: `allowCrossNamespace=false` bypass via `@kubernetescrd` TraefikService backendRef

Traefik is an open-source edge router that makes publishing services a fun and easy experience. Prior to 2.11.54, 3.6.25, and 3.7.10, cross-namespace @kubernetescrd references are not rejected for TraefikService backend references resolved by the service resolver. A tenant confined by RBAC to a...