---
id: CVE-2026-68487
title: >-
  Path traversal in Plesk's Backup Manager causes arbitrary file write as root
  by an authenticated customer.
summary: >-
  Path traversal in Plesk's Backup Manager causes arbitrary file write as root
  by an authenticated customer.
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-36
vendor: WebPros
product: Plesk
affected:
  - Plesk <= 18.0.80.6
  - Plesk <= 18.0.79.10
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-10T18:08:44.436403Z'
published: '2026-09-10'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T18:08:51.400Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-68487'
references:
  - url: >-
      https://support.plesk.com/hc/en-us/articles/43248841638551-Vulnerability-in-Plesk-s-Backup-Manager-unsigned-backup-header-allows-path-traversal
tags:
  - cve.org
epss: 0.00407
epssPercentile: 0.34762
ingestedAt: '2026-09-11T16:45:48.029Z'
---

## Overview

Path traversal in Plesk's Backup Manager causes arbitrary file write as root by an authenticated customer.

## Affected

- `Plesk <= 18.0.80.6`
- `Plesk <= 18.0.79.10`

## Remediation

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