CVE-2026-86398 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 re

High 8.8 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-86398?

CVE-2026-86398 is a high-severity vulnerability in Dell PowerProtect Data Domain, published on 28 Oct 2026.

Official 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.

Weakness: CWE-22

Which versions are affected by CVE-2026-86398?

How do I fix CVE-2026-86398?

No fix has been published for CVE-2026-86398 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-86398 being exploited?

There is no known exploitation of CVE-2026-86398 in the wild and no public exploit code.

Sources

Also known as GHSA-h3p7-cf5p-3mr2.

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