CVE-2026-86398
High
Description
Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, 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 low privileged attacker with remote access could potentially exploit this vulnerability, leading to filesystem access for attacker.
SeverityHigh
CVSS8.8
Exploit probability—
ProductPowerProtect Data Domain
PublishedOct 28, 2026
First seenNov 4, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- Dell PowerProtect Data Domain8.9.0.0 or later, 7.13.1.90 or later, 8.3.1.50 or later, 8.6.1.30 or later or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Dell PowerProtect Data Domain | v < 8.9.0.0 or later, v < 7.13.1.90 or later, v < 8.3.1.50 or later, v < 8.6.1.30 or later | 8.9.0.0 or later, 7.13.1.90 or later, 8.3.1.50 or later, 8.6.1.30 or later |
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