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  4. CVE 2026 80233 cayin technologycayin cms wscms sesmp arbitrary
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Back to active CVEs
High · CVSS 7.2CVE-2026-80233

CAYIN Technology｜CAYIN CMS-WS/CMS-SE/SMP - Arbitrary File UploadCVE-2026-80233

Answer in brief

CVE-2026-80233 records a High severity (CVSS 7.2) vulnerability in CAYIN Technology｜CAYIN CMS-WS/CMS-SE/SMP - Arbitrary File Upload. The current sources do not mark it as known exploited. The current feed maps CAYIN Technology/CAYIN CMS-SE (generic), CAYIN Technology/CAYIN CMS-SE (generic), CAYIN Technology/CAYIN CMS-WS (generic), CAYIN Technology/CAYIN CMS-WS (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 26, 2026Updated Aug 26, 2026Source checked Oct 10, 2026First seen by HOL Aug 26, 2026Material review Aug 26, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.2
Exploitation
Not marked as known exploited
Affected software
6 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps CAYIN Technology/CAYIN CMS-SE (generic), CAYIN Technology/CAYIN CMS-SE (generic), CAYIN Technology/CAYIN CMS-WS (generic), CAYIN Technology/CAYIN CMS-WS (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
CAYIN Technology/CAYIN CMS-SEgeneric0Not reported
CAYIN Technology/CAYIN CMS-SEgeneric>=0 <=11.0.25336Not reported
CAYIN Technology/CAYIN CMS-WSgeneric0Not reported
CAYIN Technology/CAYIN CMS-WSgeneric>=0 <=1.0.25336Not reported
CAYIN Technology/CAYIN SMPgeneric0Not reported
CAYIN Technology/CAYIN SMPgeneric>=0 <=4.0.25336Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for CAYIN Technology/CAYIN CMS-SE, CAYIN Technology/CAYIN CMS-SE, CAYIN Technology/CAYIN CMS-WS.
  2. 2Review the reported fix. Source-reported 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

Evidence timeline and material changes

  1. Published upstream

    Aug 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 26, 2026

Sources and claim methodology

  • Source referencetwcert.org.tw
  • Source referencetwcert.org.tw
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

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  • Molongui Authorship <= 5.2.12 - Unauthenticated Stored DOM-Based Cross-Site Scripting via Comment href AttributeSame generic ecosystem
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  • Kirki – Freeform Page Builder, Website Builder & Customizer <= 6.3.1 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via 'display_name'Same generic ecosystem

Record context

Vulnerability class
Arbitrary File Read
EPSS
Not reported
CWE IDs
CWE-434
Source
CVE List V5
Source checked
Oct 10, 2026
References
2 linked sources
Open source record