CVE-2026-80233
CAYIN Technology｜CAYIN CMS-WS/CMS-SE/SMP - Arbitrary File Upload
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-434 |
| Vendor | cayin technology |
| Product | cayin cms-ws |
| Published | Aug 26, 2026 |
| Last Updated | Aug 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
CAYIN Technology / CAYIN CMS-WS
0 ≤ 1.0.25336
CAYIN Technology / CAYIN CMS-SE
0 ≤ 11.0.25336
CAYIN Technology / CAYIN SMP
0 ≤ 4.0.25336