---
id: CVE-2025-53899
title: Kiteworks MFT orchestrates end-to-end file transfer workflows
summary: >-
  Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to
  version 9.1.0, the back-end of Kiteworks MFT is vulnerable to an incorrectly
  specified destination in a communication channel which allows an attacker with
  administr…
severity: high
cvss: 7.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-941
vendor: accellion
product: kiteworks_managed_file_transfer
affected:
  - kiteworks_managed_file_transfer < 9.1.0
patched:
  - kiteworks_managed_file_transfer 9.1.0
published: '2025-11-29'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T20:10:01.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-53899'
references:
  - url: >-
      https://github.com/kiteworks/security-advisories/security/advisories/GHSA-5gx5-vcpp-8cr5
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00937
epssPercentile: 0.59624
ingestedAt: '2026-10-07T20:46:46.738Z'
---

## Overview

Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, the back-end of Kiteworks MFT is vulnerable to an incorrectly specified destination in a communication channel which allows an attacker with administrative privileges on the system under certain circumstances to intercept upstream communication which could lead to an escalation of privileges. This issue has been patched in version 9.1.0.

## Affected

- `kiteworks_managed_file_transfer < 9.1.0`

## Remediation

Upgrade past the affected range:

- `kiteworks_managed_file_transfer 9.1.0`