What is CVE-2026-74845?

CVE-2026-74845 is a high-severity vulnerability in 2100 Technology Official Document Management System, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-08-17.

How severe is CVE-2026-74845?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in 2100 Technology Official Document Management System

CVE-2026-74845

Official Document Management System developed by 2100 Technology has an Arbitrary File Upload vulnerability, allowing authenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

Vulnerability class: Unrestricted File Upload

Published 2026-08-17 · last modified 2026-08-26.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.009 · change: +0.003

Affected products

2100 Technology Official Document Management System — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.twcert.org.tw/tw/cp-132-11108-7b14c-1.html (third-party-advisory)
www.twcert.org.tw/en/cp-139-11109-82377-2.html (third-party-advisory)
www.chtsecurity.com/news/d494c700-1051-488e-aa08-809e06317c5d (third-party-advisory)

Frequently asked questions

What is CVE-2026-74845?: CVE-2026-74845 is a high-severity vulnerability in 2100 Technology Official Document Management System, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-08-17.
How severe is CVE-2026-74845?: High severity. CVSS v3 base score is 8.8 out of 10.