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.
Published: 2026-08-26
Score: 8.6 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Update CMS-WS to version 1.0.26198 or later Update CMS-SE to version 11.0.26198 or later Update SMP to version 4.0.26198 or later

Tracking

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Advisories

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History

Wed, 26 Aug 2026 08:30:00 +0000

Type Values Removed Values Added
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.
Title CAYIN Technology｜CAYIN CMS-WS/CMS-SE/SMP - Arbitrary File Upload
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': '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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: twcert

Published:

Updated: 2026-08-26T08:22:47.735Z

Reserved: 2026-08-26T05:58:48.754Z

Link: CVE-2026-80233

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-26T10:00:04Z

Weaknesses
  • CWE-434

    Unrestricted Upload of File with Dangerous Type