Arbitrary file upload in Tsinghua Unigroup Electronic Archives System
CVE-2026-2684
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.007 (51.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.007 · change: +0.002
Affected products
- Tsinghua Unigroup Electronic Archives System — versions 3.2.210802(62532)
- Unigroup Electronic Archives System
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/luoye197-prog/ziguang-fileupload (broken-link, Broken Link)
- github.com/luoye197-prog/ziguang-fileupload/blob/main/introduce&poc (exploit, Broken Link)
Frequently asked questions
- What is CVE-2026-2684?
- CVE-2026-2684 is a high-severity vulnerability in Tsinghua Unigroup Electronic Archives System, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-02-19.
- How severe is CVE-2026-2684?
- High severity. CVSS v3 base score is 7.3 out of 10.