---
id: CVE-2026-105476
title: >-
  Improper link resolution before file access in cPanel allows remote
  authenticated users to write arbitrary root-owned files and escalate
  privileges.
summary: >-
  Improper link resolution before file access in cPanel allows remote
  authenticated users to write arbitrary root-owned files and escalate
  privileges.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: adp
cwe:
  - CWE-59
vendor: WebPros
product: cPanel
affected:
  - cPanel < 11.138.0.19
  - cPanel < 11.136.0.51
  - cPanel < 11.134.0.67
  - cPanel < 11.110.0.154
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-02T00:00:00+00:00'
published: '2026-11-02'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T04:56:48.971Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-105476'
references:
  - url: >-
      https://support.cpanel.net/hc/en-us/articles/44356595655703-Security-CVE-2026-105476-Arbitrary-File-Write-as-Root-in-cPanel-WHM-October-20th-2026
tags:
  - cve.org
epss: 0.00531
epssPercentile: 0.45101
ingestedAt: '2026-11-05T19:30:42.925Z'
---

## Overview

Improper link resolution before file access in cPanel allows remote authenticated users to write arbitrary root-owned files and escalate privileges.

## Affected

- `cPanel < 11.138.0.19`
- `cPanel < 11.136.0.51`
- `cPanel < 11.134.0.67`
- `cPanel < 11.110.0.154`

## Remediation

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