CVE-2026-2684

Name: CVE-2026-2684
Creator: NVD / NIST
Published: 2026-02-19T00:16:21.953+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2026-2684 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

5.5/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.49%

38.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Unigroup	Electronic Archives System	<= 3.2.210802\(62532\)

References

https://github.com/luoye197-prog/ziguang-fileuploadBroken Link
https://github.com/luoye197-prog/ziguang-fileupload/blob/main/introduce%26pocBroken Link
https://vuldb.com/?ctiid.346475Permissions Required, VDB Entry
https://vuldb.com/?id.346475Third Party Advisory, VDB Entry
https://vuldb.com/?submit.753973Third Party Advisory, VDB Entry

Timeline

Published: Feb 19, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-2684?

How severe is CVE-2026-2684?

CVE-2026-2684 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2684?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-2684?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST