CVE-2026-102113
Received Received - Intake

Privilege Escalation in Kiteworks Appliance

Vulnerability report for CVE-2026-102113, 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

A privilege escalation vulnerability in Kiteworks could allow an attacker who has already obtained code execution as an unprivileged backend service account on the appliance to escalate to root. A privileged routine did not safely handle a filesystem path that the lower-privileged account could influence, allowing the attacker to cause a root-owned operation to run arbitrary commands with the highest privileges. Exploitation requires existing local access to that service account.

CVSS 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 kiteworks *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-269 The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
CWE-59 The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Attack-Flow Graph

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Executive Summary

This is a privilege escalation vulnerability in Kiteworks software. It allows an attacker with existing access to an unprivileged backend service account to gain root privileges. The issue occurs because a privileged routine mishandles filesystem paths that the lower-privileged account can control, enabling arbitrary command execution with root permissions.

Impact Analysis

If exploited, this vulnerability could allow an attacker to take full control of the affected Kiteworks system. This means they could install malicious software, steal sensitive data, or disrupt operations. However, exploitation requires the attacker to already have local access to a backend service account.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating compliance requirements under GDPR and HIPAA. Organizations using Kiteworks may face regulatory penalties, data breach notifications, and reputational damage if exploited.

Mitigation Strategies

Apply the latest security patches from Kiteworks immediately to fix the privilege escalation flaw. Ensure the backend service account has minimal privileges and restrict local access to it. Monitor for unusual command execution by root-owned processes.

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