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CVE-2026-96431— Flowring Agentflow 4.0 - Unrestricted Upload of File with Dangerous Type

Quick assessment

Affected
Flowring Technology Corp Agentflow 4.0
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.

Flowring Agentflow 4.0 版本（2023/03/24 之前）中 API 端点存在“危险类型文件不受限制上传”漏洞，允许远程认证用户通过上传恶意文件执行任意系统命令。

CVSS 9.3 · Critical
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I. Basic Information for CVE-2026-96431

Vulnerability Information
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Vulnerability Title
Flowring Agentflow 4.0 - Unrestricted Upload of File with Dangerous Type
Source: CVE Program / CVE List V5
Vulnerability Description
Unrestricted Upload of File with Dangerous Type in the /WebAgenda/download/uploadFile.jsp API endpoint of Flowring Agentflow 4.0 version before 2023/03/24 allows remote authenticated users to execute arbitrary system commands via a malicious file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA: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
Flowring Technology Corp Agentflow 4.0 0 ~ 2023/03/24 -

II. Public POCs for CVE-2026-96431

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III. Intelligence Information for CVE-2026-96431

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Other References for CVE-2026-96431 (1)

Same Patch Batch · Flowring Technology Corp · 2026-09-29 · 5 CVEs total

CVE-2026-96428 9.3 CRITICAL Flowring Agentflow 4.0 - SQL Injection
CVE-2026-96429 9.3 CRITICAL Flowring Agentflow 4.0 - SQL Injection
CVE-2026-96430 8.7 HIGH Flowring Agentflow 4.0 - Exposed Dangerous Method or Function
CVE-2026-96440 7.1 HIGH Flowring Agentflow 4.0 - Improper Limitation of a Pathname to a Restricted Directory（Path

IV. Related Vulnerabilities

Same product: Agentflow 4.0
Same vendor: Flowring Technology Corp
Same weakness: CWE-434

V. Comments for CVE-2026-96431

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