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CVE-2026-2684

31
FAUCET Score

CVE-2026-2684 is a critical unrestricted file upload vulnerability affecting Tsinghua Unigroup Electronic Archives System versions up to 3.2.210802(62532). This flaw, located in the /Archive/ErecordManage/uploadFile.html component, allows an unauthenticated attacker to remotely upload arbitrary files by manipulating the "File" argument. With a CVSS score of 9.8 (Critical), successful exploitation could lead to complete compromise of confidentiality, integrity, and availability of the affected system. While the exploit has been publicly disclosed, there is no evidence of active exploitation, nor are there readily available Metasploit or Nuclei modules. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.2.210802\(62532\)CPE matchmatch criteria
cpe:2.3:a:unigroup:electronic_archives_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 17th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / luoye197-prog/ziguang-fileupload
Broken Link
github.com / luoye197-prog/ziguang-fileupload/blob/main/introduce%26poc
Broken Link
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry