---
title: "CVE-2026-102099: Kiteworks Core - Arbitrary File Write"
description: "Kiteworks Core < 9.5.0 contains an arbitrary file write caused by improper restriction of user-supplied file path in administrative export feature, letting authenticated administrators write files arbitrarily, exploit requires authenticated admin access."
url: https://panop.io/threat-heartbeat/CVE-2026-102099/
---

# CVE-2026-102099 Kiteworks Core - Arbitrary File Write

Kiteworks Core < 9.5.0 contains an arbitrary file write caused by improper restriction of user-supplied file path in administrative export feature, letting authenticated administrators write files arbitrarily, exploit requires authenticated admin access.

CVSS base score 7.2 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

1.97% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102099)

## Details

Type

Arbitrary File Write

Impact

File System Write, Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Published

30 September 2026

Updated

15 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update to version 9.5.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-102099](https://nvd.nist.gov/vuln/detail/CVE-2026-102099)
- [https://github.com/kiteworks/security-advisories/security/advisories/GHSA-qj2g-2wfr-wg43](https://github.com/kiteworks/security-advisories/security/advisories/GHSA-qj2g-2wfr-wg43)
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf\_files/VA/white/2026/va-26-274-01.json](https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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