POWERSTORET OS · CVE-2026-86356 · Infrastructure
FIX → 5.1.0.0-2798105 ✓ verified
Dell PowerStore storage appliances contain an authorization-bypass flaw that can let a user elevate their privileges to administrator. An attacker who gets any valid access to the system could take full administrative control of the storage array.
first public Nov 13, 2026 · 2 sources
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Teams running Dell PowerStore arrays (T models) on PowerStoreT OS 5.1.x before 5.1.0.0-2798105. Dell rates it CVSS 8.8 with a network vector, low privileges required and no user interaction: an account that can already log in to the appliance could gain administrator rights. Dell gives no more detail on the flaw. Skip it if you do not run PowerStore, or already run 5.1.0.0-2798105 or later.
Who cares dell-powerstore, on-prem, self-hosted, storage
Dell PowerStore contains an authorization-bypass vulnerability that could lead to elevation of privilege to administrator.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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Upgrade to 5.1.0.0-2798105
Upgrade PowerStoreT OS to 5.1.0.0-2798105 or later (single upgrade covering all DSA-2026-479 CVEs); download from each model's Dell support page.