Dell PowerProtect Data Domain up to 8.8 path traversal

Summaryinfo

A vulnerability categorized as problematic has been discovered in Dell PowerProtect Data Domain up to 8.8. Impacted is an unknown function. The manipulation results in path traversal. This vulnerability is identified as CVE-2026-86383. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in Dell PowerProtect Data Domain up to 8.8. Affected is an unknown functionality. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. CVE summarizes:

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.

The advisory is available at dell.com. This vulnerability is traded as CVE-2026-86383 since 09/07/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 10/28/2026). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Dell

Name

• PowerProtect Data Domain

Version

• 7.7.0
• 7.7.1.0
• 8.0
• 8.1
• 8.2
• 8.3
• 8.3.0
• 8.3.1.0
• 8.3.1.1
• 8.3.1.2
• 8.3.1.3
• 8.3.1.4
• 8.3.1.5
• 8.3.1.6
• 8.3.1.7
• 8.3.1.8
• 8.3.1.9
• 8.3.1.10
• 8.3.1.11
• 8.3.1.12
• 8.3.1.13
• 8.3.1.14
• 8.3.1.15
• 8.3.1.16
• 8.3.1.17
• 8.3.1.18
• 8.3.1.19
• 8.3.1.20
• 8.3.1.21
• 8.3.1.22
• 8.3.1.23
• 8.3.1.24
• 8.3.1.25
• 8.3.1.26
• 8.3.1.27
• 8.3.1.28
• 8.3.1.29
• 8.3.1.30
• 8.3.1.31
• 8.3.1.32
• 8.3.1.33
• 8.3.1.34
• 8.3.1.35
• 8.3.1.36
• 8.3.1.37
• 8.3.1.38
• 8.3.1.39
• 8.3.1.40
• 8.4
• 8.5
• 8.6
• 8.6.0
• 8.6.1.0
• 8.6.1.1
• 8.6.1.2
• 8.6.1.3
• 8.6.1.4
• 8.6.1.5
• 8.6.1.6
• 8.6.1.7
• 8.6.1.8
• 8.6.1.9
• 8.6.1.10
• 8.6.1.11
• 8.6.1.12
• 8.6.1.13
• 8.6.1.14
• 8.6.1.15
• 8.6.1.16
• 8.6.1.17
• 8.6.1.18
• 8.6.1.19
• 8.6.1.20
• 8.7
• 8.8

License

• commercial

Website

• Vendor: https://www.dell.com/

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