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Vulnerability record · CVE-2026-74845 · published 17 August 2026

CVE-2026-74845: Unrestricted file upload vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.94% · top 40.6% CWE-434 · Unrestricted file upload Deferred
8.7CVSS 4.0 base score
0.94%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
26 Aug 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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:

References

LinkTags
https://www.chtsecurity.com/news/d494c700-1051-488e-aa08-809e06317c5d
https://www.twcert.org.tw/en/cp-139-11109-82377-2.html
https://www.twcert.org.tw/tw/cp-132-11108-7b14c-1.html

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-74845), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.