CVE-2026-23636
Received Received - Intake
Unrestricted File Upload Vulnerability in Kiteworks Secure Data Forms

Publication date: 2026-03-25

Last updated on: 2026-03-27

Assigner: GitHub, Inc.

Description
Kiteworks is a private data network (PDN). In Kiteworks Secure Data Forms prior to version 9.2.1, the manager of a form could potentially exploit an Unrestricted Upload of File with Dangerous Type due to a missing validation. Upgrade Kiteworks to version 9.2.1 or later to receive a patch.
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Meta Information
Published
2026-03-25
Last Modified
2026-03-27
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-23636
EUVD
EUVD-2026-15541
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
accellion kiteworks to 9.2.1 (exc)
Helpful Resources
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

CVE-2026-23636 is a vulnerability in Kiteworks Secure Data Forms versions prior to 9.2.1. It involves an Unrestricted Upload of File with Dangerous Type due to missing validation. This means that a form manager can upload files with dangerous types without any restriction, potentially exploiting the system.

Impact Analysis

This vulnerability can be exploited remotely over the network with low attack complexity but requires high privileges. It does not impact confidentiality but can cause high integrity loss and low availability impact. Essentially, an attacker with the necessary privileges could upload harmful files that may alter or disrupt the system's integrity and availability.

Mitigation Strategies

To mitigate this vulnerability, upgrade Kiteworks Secure Data Forms to version 9.2.1 or later, where the missing validation issue has been patched.

Compliance Impact

The provided information does not specify how the vulnerability in Kiteworks Secure Data Forms affects compliance with common standards and regulations such as GDPR or HIPAA.

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