---
id: CVE-2026-86305
title: >-
  A security flaw has been discovered in light0011 cms
  c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930
summary: >-
  A security flaw has been discovered in light0011 cms
  c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930.
  Affected by this issue is the function Upload::upload of the file
  ThinkPHP/Library/Think/Upload.class…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-284
  - CWE-434
vendor: light0011
product: cms
affected:
  - cms c774dce31c6df0055568a8d5c53d964d99be199d
  - cms f72cf46f601efb2a0618c3814cc2f61380b38930
published: '2026-09-07'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T21:17:44.957'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86305'
references:
  - url: 'https://github.com/light0011/cms/'
    label: cna@vuldb.com
  - url: 'https://github.com/light0011/cms/issues/9'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-86305'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/894804'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399478'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399478/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-11T20:02:53.512014Z'
epss: 0.00495
epssPercentile: 0.40006
ingestedAt: '2026-09-08T15:33:26.977Z'
---

## Overview

A security flaw has been discovered in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Affected by this issue is the function Upload::upload of the file ThinkPHP/Library/Think/Upload.class.php. Performing a manipulation results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. 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.