CVE-2026-80233— CAYIN Technology｜CAYIN CMS-WS/CMS-SE/SMP - Arbitrary File Upload
Quick assessment
Affected
CAYIN Technology CAYIN CMS-WS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
CAYIN Technology 开发的 CAYIN CMS-WS、CMS-SE 和 SMP 系列产品存在任意文件上传漏洞。具有权限的远程攻击者可以上传并执行 Web Shell 后门程序，从而在服务器上实现任意代码执行。
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I. Basic Information for CVE-2026-80233
Vulnerability Information
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Vulnerability Title
CAYIN Technology｜CAYIN CMS-WS/CMS-SE/SMP - Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| 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 | - |
|
II. Public POCs for CVE-2026-80233
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-80233 (2)
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V. Comments for CVE-2026-80233
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