FORTBRIDGE researchers have detailed a complete HTTP-only reconstruction of the StyleSmuggler vulnerability (CVE-2026-75650) in Magento. This unauthenticated remote code execution chain involves report poisoning and a guest billing-address parser flaw, leading through Email Preview, AWS S3Client, and ArrayScanner to final PHP include. A working lab PoC and analysis of Adobe’s hotfix are provided, offering deep insight into this critical flaw.