CVE-2026-86383
Received Received - Intake

Path Traversal in Dell PowerProtect Data Domain

Vulnerability report for CVE-2026-86383, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-28

Last updated on: 2026-10-28

Assigner: Dell

Description

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.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-28
Last Modified
2026-10-28
Generated
2026-10-28
AI Q&A
2026-10-28
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

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Executive Summary

Dell PowerProtect Data Domain versions 7.7.1.0 through 8.8, LTS2025 8.3.1.0 through 8.3.1.40, and LTS2026 8.6.1.0 through 8.6.1.20 have a Path Traversal vulnerability. A high privileged remote attacker could exploit this to access restricted directories and disclose information.

Impact Analysis

An attacker could gain access to sensitive data stored on the affected Dell PowerProtect Data Domain systems, potentially leading to unauthorized information disclosure.

Compliance Impact

This vulnerability could lead to unauthorized data access, violating GDPR and HIPAA compliance requirements for data protection and confidentiality.

Mitigation Strategies

Apply the latest security patches provided by Dell for PowerProtect Data Domain versions 7.7.1.0 through 8.8, LTS2025 8.3.1.0 through 8.3.1.40, and LTS2026 8.6.1.0 through 8.6.1.20. Restrict remote access to high privileged accounts and monitor for unusual activity.

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