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CVE-2026-2665— huanzi-qch base-admin JSP Parser SysFileController.java upload unrestricted upload

Quick assessment

Affected
huanzi-qch base-admin
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.

Base Admin是huanzi-qch个人开发者的一个后台管理系统。 Base Admin存在代码问题漏洞，该漏洞源于SysFileController.java文件中Upload函数对参数File的错误操作，可能导致任意文件上传。

CVSS 6.3 · Medium EPSS 0.27% · P20

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2026-2665

Vulnerability Information
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Vulnerability Title
huanzi-qch base-admin JSP Parser SysFileController.java upload unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in huanzi-qch base-admin up to 57a8126bb3353a004f3c7722089e3b926ea83596. Impacted is the function Upload of the file SysFileController.java of the component JSP Parser. Performing a manipulation of the argument File results in unrestricted upload. The attack can be initiated remotely. The exploit is now public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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
Base Admin 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Base Admin是huanzi-qch个人开发者的一个后台管理系统。 Base Admin存在代码问题漏洞，该漏洞源于SysFileController.java文件中Upload函数对参数File的错误操作，可能导致任意文件上传。
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
huanzi-qch base-admin 57a8126bb3353a004f3c7722089e3b926ea83596 -

II. Public POCs for CVE-2026-2665

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III. Intelligence Information for CVE-2026-2665

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Vendor Advisories for CVE-2026-2665 (1)

IV. Related Vulnerabilities

Same weakness: CWE-434

V. Comments for CVE-2026-2665

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