High severity7.2NVD Advisory· Published Aug 26, 2026· Updated Aug 26, 2026

CVE-2026-80233

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.

Affected products

CAYIN Technology/CMSllm-fuzzy
CAYIN Technology/SMP seriesllm-create

Patches

Vulnerability mechanics

References

www.twcert.org.tw/en/cp-139-11135-189f7-2.htmlnvd
www.twcert.org.tw/tw/cp-132-11129-4a040-1.htmlnvd

News mentions

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