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Critical severity · published Feb 18, 2026
CVE-2026-2684
Tsinghua Unigroup Electronic Archives System uploadFile.html unrestricted upload
9.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EA
Electronic Archives System · Tsinghua Unigroup
3.2.210802(62532) · source: vendor, NVD
Affected product
EA
Electronic Archives System
Tsinghua Unigroup
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2684
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2684
Broken Link
https://github.com/luoye197-prog/ziguang-fileupload
Broken Link
https://github.com/luoye197-prog/ziguang-fileupload/blob/main/introduce%26poc
Permissions Required
https://vuldb.com/?ctiid.346475
Third Party Advisory
https://vuldb.com/?id.346475
Third Party Advisory
https://vuldb.com/?submit.753973
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