---
id: CVE-2026-86239
title: A vulnerability was identified in liufee FeehiCMS up to 2.1.1
summary: >-
  A vulnerability was identified in liufee FeehiCMS up to 2.1.1. The impacted
  element is the function UeditorAction::init of the file
  backend/widgets/ueditor/UeditorAction.php of the component UEditor Widget. The
  manipulation leads to unre…
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-284
  - CWE-434
vendor: liufee
product: FeehiCMS
affected:
  - FeehiCMS 2.1.0
  - FeehiCMS 2.1.1
published: '2026-09-07'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T15:17:15.157'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86239'
references:
  - url: 'https://github.com/liufee/cms/issues/94'
    label: cna@vuldb.com
  - url: >-
      https://github.com/yang5ynag/cve/blob/main/FEHI-001-UEditor-Unauthorized-File-Upload.md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-86239'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/901833'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399396'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399396/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-09T14:10:09.775218Z'
epss: 0.00509
epssPercentile: 0.42466
ingestedAt: '2026-09-07T12:10:16.508Z'
---

## Overview

A vulnerability was identified in liufee FeehiCMS up to 2.1.1. The impacted element is the function UeditorAction::init of the file backend/widgets/ueditor/UeditorAction.php of the component UEditor Widget. The manipulation leads to unrestricted upload. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

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