CVE-2026-28270— Kiteworks Core has an Unrestricted Upload of File with Dangerous Type
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
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-2026-28272
Kiteworks Email Protection Gateway has a Cross-site Scriptin - CVE-2026-28271
Kiteworks Core is vulnerable to Server-Side Request Forgery - CVE-2026-28269
Kiteworks Core has an OS Command Injection - CVE-2025-66558
Nextcloud Twofactor WebAuthn app was updated based on public - CVE-2025-66556
Nextcloud talk allows participants to blindly delete poll dr
Same vendor: kiteworks
- CVE-2026-29092
Kiteworks Email Protection Gateway has an Insufficient Sessi - CVE-2026-23636
Kiteworks Secure Data Forms is vulnerable to an Unrestricted - CVE-2026-23635
Kiteworks Secure Data Forms has a potential Unprotected Tran - CVE-2026-24750
Kiteworks Secure Data Forms vulnerable to Cross-site Scripti - CVE-2026-23514
Kiteworks Core before 9.2.2 is vulnerable to Improper Owners
Same weakness: CWE-434
- CVE-2021-47965
WordPress Plugin WP Super Edit 2.5.4 Unrestricted File Uploa - CVE-2026-44088
Remote Code Execution in SzafirHost - CVE-2026-22707
Strapi Upload Plugin MIME Validation Bypass via Content API - CVE-2026-41937
Vvveb < 1.0.8.3 Unrestricted File Upload RCE via Plugin Uplo - CVE-2026-6271
Career Section <= 1.7 - Unauthenticated Arbitrary File Uplo
V. Comments for CVE-2026-28270
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