---
id: CVE-2026-79687
title: >-
  Dell PowerStore SDNAS contains a Missing Authentication for Critical Function
  vulnerability
summary: >-
  Dell PowerStore SDNAS contains a Missing Authentication for Critical Function
  vulnerability. An unauthenticated attacker with remote access could
  potentially exploit this vulnerability, leading to Filesystem access.
severity: critical
cvss: 9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-306
vendor: dell
product: powerstoreos
affected:
  - powerstoreos = 4.1.0.0
  - powerstoreos = 4.1.0.1
  - powerstoreos = 4.1.0.2
  - powerstoreos = 4.1.0.3
  - powerstoreos = 4.1.0.4
  - powerstoreos = 4.1.0.5
  - powerstoreos = 4.3.0.0
  - powerstoreos = 4.3.1.0
  - powerstoreos = 4.3.1.1
published: '2026-09-01'
updated: '2026-10-02'
sourceUpdated: '2026-10-02T17:29:03.710'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-79687'
references:
  - url: >-
      https://www.dell.com/support/kbdoc/en-us/000497829/dsa-2026-330-dell-powerstore-t-security-update-for-multiple-vulnerabilities
    label: security_alert@emc.com
tags:
  - nvd
epss: 0.00468
epssPercentile: 0.38275
ingestedAt: '2026-10-02T18:25:05.804Z'
---

## Overview

Dell PowerStore SDNAS contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Filesystem access.

## Affected

- `powerstoreos = 4.1.0.0`
- `powerstoreos = 4.1.0.1`
- `powerstoreos = 4.1.0.2`
- `powerstoreos = 4.1.0.3`
- `powerstoreos = 4.1.0.4`
- `powerstoreos = 4.1.0.5`
- `powerstoreos = 4.3.0.0`
- `powerstoreos = 4.3.1.0`
- `powerstoreos = 4.3.1.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.