CVE-2026-102130
Received Received - Intake

Kiteworks Email Protection Gateway Code Execution

Vulnerability report for CVE-2026-102130, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government

Description

Kiteworks Email Protection Gateway did not sufficiently validate the content of an uploaded backup, and allowed an administrator to influence how the application loaded it. An authenticated administrator could potentially use this to execute arbitrary code on the gateway as the underlying service account.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-10-01
AI Q&A
2026-10-01
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
kiteworks email_protection_gateway *

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.
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

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Executive Summary

Kiteworks Email Protection Gateway had insufficient validation for uploaded backup files. An authenticated administrator could manipulate the backup loading process to execute arbitrary code on the gateway under the service account.

Impact Analysis

An attacker with admin access could run malicious code on the gateway, potentially stealing data, disrupting services, or gaining further access to the network.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR (data protection) and HIPAA (health data privacy) requirements for secure handling of sensitive information.

Mitigation Strategies

Apply the latest security patches or updates provided by Kiteworks for the Email Protection Gateway to address the insufficient validation of uploaded backups. Ensure only trusted administrators have access to administrative functions and review logs for suspicious activity.

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