CVE-2026-48356CRITICAL
PolyShell: Adobe Commerce / Magento unrestricted file upload (CVE-2026-48356)
Unauthenticated polyglot file upload via the Magento guest-cart REST API leads to webshells; mass-exploited since 2026-03 and added to CISA KEV on 2026-10-27.
Updated 2026-11-09