---
id: CVE-2026-86383
title: >-
  Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8,
  LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions
  8.6.1.0 through 8.6.1.20, contain an Improper Limitation of a Pathname to a
  Restrict…
summary: >-
  Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8,
  LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions
  8.6.1.0 through 8.6.1.20, contain an Improper Limitation of a Pathname to a
  Restrict…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-22
vendor: Dell
product: PowerProtect Data Domain
affected:
  - powerprotect_data_domain < 8.9.0.0 or later
  - powerprotect_data_domain < 8.3.1.50 or later
  - powerprotect_data_domain < 8.6.1.30 or later
published: '2026-10-28'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T09:54:54.400Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-86383'
references:
  - url: >-
      https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities
tags:
  - cve.org
ingestedAt: '2026-10-28T10:08:49.608Z'
---

## Overview

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure.

## Affected

- `powerprotect_data_domain < 8.9.0.0 or later`
- `powerprotect_data_domain < 8.3.1.50 or later`
- `powerprotect_data_domain < 8.6.1.30 or later`

## Remediation

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