CVE-2026-80233 [HIGH] – CAYIN CMS-WS, CMS-SE, and SMP series products developed by CAYIN Technology have an Arbitr

CAYIN CMS-WS, CMS-SE, and SMP series products developed by CAYIN Technology have an Arbitrary File Upload vulnerability. Privileged remote attackers can upload and execute web shells backdoors, thereby enabling arbitrary code execution on the server.