VULNERABILITY INTELLIGENCE
CVE-2026-80233
CVSS score8.6 HIGH
EPSS probability0.82%
CISA KEVNot currently listed
Published2026-08-26
Last modified2026-08-26
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
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.
Weakness classification
- CWE-434: Unrestricted Upload of File with Dangerous Type