---
id: CVE-2025-13261
title: A vulnerability was found in lsfusion platform up to 6.1
summary: >-
  A vulnerability was found in lsfusion platform up to 6.1. Affected is the
  function DownloadFileRequestHandler of the file
  web-client/src/main/java/lsfusion/http/controller/file/DownloadFileRequestHandler.java.
  Performing manipulation of …
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-22
vendor: lsfusion
product: lsfusion_platform
affected:
  - lsfusion_platform <= 6.1
published: '2025-11-17'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T21:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-13261'
references:
  - url: 'https://github.com/lsfusion/platform/issues/1543'
    label: cna@vuldb.com
  - url: 'https://github.com/lsfusion/platform/issues/1543#issue-3576922131'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.332596'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.332596'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.689412'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00702
epssPercentile: 0.51764
ingestedAt: '2026-10-07T21:54:15.050Z'
---

## Overview

A vulnerability was found in lsfusion platform up to 6.1. Affected is the function DownloadFileRequestHandler of the file web-client/src/main/java/lsfusion/http/controller/file/DownloadFileRequestHandler.java. Performing manipulation of the argument Version results in path traversal. Remote exploitation of the attack is possible. The exploit has been made public and could be used.

## Affected

- `lsfusion_platform <= 6.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.