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CVE-2026-16451— zsadmin2025 ZS-Admin com.zs.file.controller.SysFileController upload unrestricted upload

Quick assessment

Affected
zsadmin2025 ZS-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.

zs ZS-Admin是zs个人开发者的一款服务器支撑系统软件。 ZS-Admin b52e14536d59fda11e56e2536a1c32e82a38cead版本存在安全漏洞，该漏洞源于组件com.zs.file.controller.SysFileController中文件/api/system/file/upload的参数File操作导致无限制上传，可能允许攻击者远程发动攻击。

CVSS 6.3 · Medium EPSS 0.35% · P26

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
zsadmin2025 ZS-Admin b52e14536d59fda11e56e2536a1c32e82a38cead affected
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I. Basic Information for CVE-2026-16451

Vulnerability Information
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Vulnerability Title
zsadmin2025 ZS-Admin com.zs.file.controller.SysFileController upload unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in zsadmin2025 ZS-Admin up to b52e14536d59fda11e56e2536a1c32e82a38cead. This impacts an unknown function of the file /api/system/file/upload of the component com.zs.file.controller.SysFileController. Performing a manipulation of the argument File results in unrestricted upload. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. This product is using a rolling release to provide continious delivery. Therefore, no version details for 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
ZS-Admin 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
zs ZS-Admin是zs个人开发者的一款服务器支撑系统软件。 ZS-Admin b52e14536d59fda11e56e2536a1c32e82a38cead版本存在安全漏洞，该漏洞源于组件com.zs.file.controller.SysFileController中文件/api/system/file/upload的参数File操作导致无限制上传，可能允许攻击者远程发动攻击。
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
zsadmin2025 ZS-Admin b52e14536d59fda11e56e2536a1c32e82a38cead cpe:2.3:a:zsadmin2025:zs-admin:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16451

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-16451

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Proof of Concept for CVE-2026-16451 (1)

Same Patch Batch · zsadmin2025 · 2026-07-21 · 3 CVEs total

CVE-2026-16449 6.3 MEDIUM zsadmin2025 ZS-Admin com.zs.sys.dept.controller.SysDeptController page OrderItem.desc sql
CVE-2026-16450 4.3 MEDIUM zsadmin2025 ZS-Admin MyBatis-Plus Tenant Plugin page getTenantId authorization

IV. Related Vulnerabilities

Same product: ZS-Admin
Same vendor: zsadmin2025
Same weakness: CWE-434

V. Comments for CVE-2026-16451

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