Arbitrary File Upload Vulnerability in EasyFlow .NET by Digiwin
CVE-2026-102454

8.6HIGH

Key Information:

Vendor

Digiwin

Status
Easyflow .net
Vendor
CVE Published:
30 September 2026

What is CVE-2026-102454?

An Arbitrary File Upload vulnerability exists in EasyFlow .NET developed by Digiwin. This security flaw allows privileged remote attackers to upload files, including web shell backdoors, onto the server. Once executed, these backdoors facilitate arbitrary code execution, granting attackers unnecessary control over the system. This vulnerability poses significant risks, as it can lead to unauthorized access, data breaches, and complete system compromise.

Affected Version(s)

EasyFlow .NET 6.1.*

EasyFlow .NET 6.6 <= 6.6.19

EasyFlow .NET 8.1 <= 8.1.5

References

https://www.twcert.org.tw/tw/cp-132-11240-0fa1b-1.html
third-party-advisory
https://www.twcert.org.tw/en/cp-139-11241-b7eef-2.html
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.