CVE-2026-80233
CAYIN Technology｜CAYIN CMS-WS/CMS-SE/SMP - Arbitrary File Upload
- State
- Published
- Severity
- 8.6 High
- Published
- Aug 26, 2026
- Updated
- Aug 26, 2026
- Reserved
- Aug 26, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | twcert |
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | twcert |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
CAYIN CMS-WSCAYIN Technology |
|
CAYIN CMS-SECAYIN Technology |
|
CAYIN SMPCAYIN Technology |
|
References
- https://www.twcert.org.tw/tw/cp-132-11129-4a040-1.htmlthird-party-advisory
- https://www.twcert.org.tw/en/cp-139-11135-189f7-2.htmlthird-party-advisory
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