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CVE-2026-2684— Tsinghua Unigroup Electronic Archives System uploadFile.html unrestricted upload

Quick assessment

Affected
Tsinghua Unigroup Electronic Archives System
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.

Tsinghua Unigroup Electronic Archives System是中国新紫光集团（Tsinghua Unigroup）公司的一个电子档案管理系统。 Tsinghua Unigroup Electronic Archives System 3.2.210802(62532)及之前版本存在代码问题漏洞，该漏洞源于对文件/Archive/ErecordManage/uploadFile.html中参数File的错误操作，可能导致任意文件上传。

CVSS 7.3 · High EPSS 0.72% · P52

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2026-2684

Vulnerability Information
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Vulnerability Title
Tsinghua Unigroup Electronic Archives System uploadFile.html unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Tsinghua Unigroup Electronic Archives System up to 3.2.210802(62532). The impacted element is an unknown function of the file /Archive/ErecordManage/uploadFile.html. Executing a manipulation of the argument File can lead to unrestricted upload. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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
Tsinghua Unigroup Electronic Archives System 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tsinghua Unigroup Electronic Archives System是中国新紫光集团（Tsinghua Unigroup）公司的一个电子档案管理系统。 Tsinghua Unigroup Electronic Archives System 3.2.210802(62532)及之前版本存在代码问题漏洞，该漏洞源于对文件/Archive/ErecordManage/uploadFile.html中参数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
Tsinghua Unigroup Electronic Archives System 3.2.210802(62532) -

II. Public POCs for CVE-2026-2684

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III. Intelligence Information for CVE-2026-2684

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Proof of Concept for CVE-2026-2684 (1)

Same Patch Batch · Tsinghua Unigroup · 2026-02-18 · 4 CVEs total

CVE-2026-2682 6.3 MEDIUM Tsinghua Unigroup Electronic Archives System prinReport.html sql injection
CVE-2026-2672 4.3 MEDIUM Tsinghua Unigroup Electronic Archives System downLoad download path traversal
CVE-2026-2683 4.3 MEDIUM Tsinghua Unigroup Electronic Archives System downLoad.html path traversal

IV. Related Vulnerabilities

Same product: Electronic Archives System
Same vendor: Tsinghua Unigroup
Same weakness: CWE-434

V. Comments for CVE-2026-2684

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