[ CVE-2026-86398 · Published 28 Oct 2026 ]
Vulnerability in Dell PowerProtect Data Domain
CVSS 8.8
EPSS <1%2 agency advisoriesNo fix listed yet
[ Description ]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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
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NCSC-NLNCSC-2026-0460
Vulnerabilities fixed in Dell PowerProtect Data Domain Translated from Dutch
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BSI CERT-BundWID-SEC-2026-4218
Dell PowerProtect Data Domain OS: Multiple vulnerabilities Translated from German