CVE-2026-102454
Received Received - Intake

Arbitrary File Upload in EasyFlow .NET Allows Remote Code Execution

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: TWCERT/CC

Description
EasyFlow .NET developed by Digiwin has an Arbitrary File Upload vulnerability. Privileged remote attackers can upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-102454
EUVD
EUVD-2026-89681

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
digiwin easyflow_dotnet to 6.1.x (exc)
digiwin easyflow_dotnet to 6.6.19 (exc)
digiwin easyflow_dotnet to 8.1.5 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-434 The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

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Executive Summary

This is an Arbitrary File Upload vulnerability in EasyFlow .NET by Digiwin. Privileged remote attackers can upload and execute web shell backdoors, leading to arbitrary code execution on the server.

Detection Guidance

Detecting this vulnerability requires checking for unauthorized file uploads or web shell activity. Inspect server directories for unexpected files, particularly in upload folders. Monitor network traffic for unusual outbound connections or suspicious processes. Review logs for POST requests to unusual endpoints or files with executable extensions.

Impact Analysis

An attacker could gain full control of the server by uploading malicious files. This may lead to data theft, system compromise, or disruption of services. Affected versions include EasyFlow .NET V6.1.x and earlier, V6.6.19 and earlier, and V8.1.5 and earlier.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, violating GDPR and HIPAA requirements for data protection and security. Organizations must patch systems to maintain compliance.

Mitigation Strategies

Update EasyFlow .NET to a patched version released after April 16, 2026. Ensure administrative privileges are restricted to prevent unauthorized file uploads.

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