---
id: CVE-2026-86306
title: >-
  A weakness has been identified in light0011 cms
  c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930
summary: >-
  A weakness has been identified in light0011 cms
  c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930.
  This affects an unknown part of the file App/Home/Model/UserModel.class.php of
  the component Cookie Helper…
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-287
vendor: light0011
product: cms
affected:
  - cms c774dce31c6df0055568a8d5c53d964d99be199d
  - cms f72cf46f601efb2a0618c3814cc2f61380b38930
published: '2026-09-07'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T16:18:28.110'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86306'
references:
  - url: 'https://github.com/light0011/cms/'
    label: cna@vuldb.com
  - url: 'https://github.com/light0011/cms/issues/11'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-86306'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/894817'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399479'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399479/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-08T15:06:22.493979Z'
epss: 0.00525
epssPercentile: 0.43515
ingestedAt: '2026-09-08T15:33:26.977Z'
---

## Overview

A weakness has been identified in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. This affects an unknown part of the file App/Home/Model/UserModel.class.php of the component Cookie Helper. Executing a manipulation of the argument Username can lead to improper authentication. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. 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.