CVE-2026-28270— Kiteworks Core has an Unrestricted Upload of File with Dangerous Type
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-28270
Vulnerability Information
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Vulnerability Title
Kiteworks Core has an Unrestricted Upload of File with Dangerous Type
Source: CVE Program / CVE List V5
Vulnerability Description
Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks configuration allows uploading of arbitrary files without proper validation. Malicious administrators could exploit this to upload unauthorized file types to the system. Version 9.2.0 contains a patch for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
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
Vulnerability Title
Kiteworks 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kiteworks是美国Kiteworks公司的一个安全私有网络数据软件。 Kiteworks 9.2.0之前版本存在代码问题漏洞，该漏洞源于配置功能存在缺陷，可能导致上传任意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| kiteworks | security-advisories | < 9.2.0 | - |
II. Public POCs for CVE-2026-28270
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · kiteworks · 2026-02-27 · 3 CVEs total
| CVE-2026-28272 | 8.1 HIGH | Kiteworks Email Protection Gateway has a Cross-site Scripting vulnerability |
| CVE-2026-28271 | 6.5 MEDIUM | Kiteworks Core is vulnerable to Server-Side Request Forgery (SSRF) |
IV. Related Vulnerabilities
Same product: security-advisories
- CVE-2026-24754
Kiteworks Secure Data Forms Vulnerable to Cross-site Scripti - CVE-2026-45810
Nextcloud: Propfind requests for file comments allowed to lo - CVE-2026-45722
Nextcloud: Tables app allows limited SQLi in ORDER BY with m - CVE-2026-45691
Nextcloud: Bypass of second factor authentication on DAV end - CVE-2026-45690
Nextcloud: Two-Factor Authentication Bypass via Pending Sess
Same vendor: kiteworks
- CVE-2026-24782
Kiteworks Secure Data Forms has a SQL Injection vulnerabilit - CVE-2026-24761
Kiteworks Secure Data Forms is vulnerable to Authorization B - CVE-2026-24756
Kiteworks Secure Data Forms is vulnerable to Authorization B - CVE-2026-24755
Kiteworks Secure Data Forms is vulnerable to Authorization B - CVE-2026-24754
Kiteworks Secure Data Forms Vulnerable to Cross-site Scripti
Same weakness: CWE-434
- CVE-2026-49849
xShop: Unrestricted File Upload in File Attachment Module in - CVE-2026-77681
CodeAstro Online Job Portal update-profile.php unrestricted - CVE-2026-2334
) Missing Server-Side File Extension Validation in vsDesk - CVE-2026-76995
SourceCodester Simple Online Food Ordering System ajax.php s - CVE-2026-64960
Remote Code Execution via Unrestricted File Upload in ATutor
V. Comments for CVE-2026-28270
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