---
id: CVE-2026-70411
title: >-
  Dell Container Storage Modules (CSM), versions prior to 1.18.0, contains a
  Missing Authentication for Critical Function vulnerability in the
  csm-authorization-tenant gRPC service (TenantService)
summary: >-
  Dell Container Storage Modules (CSM), versions prior to 1.18.0, contains a
  Missing Authentication for Critical Function vulnerability in the
  csm-authorization-tenant gRPC service (TenantService). An unauthenticated
  adjacent network attac…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N'
cwe:
  - CWE-306
vendor: Dell
product: Container Storage Modules (CSM)
affected:
  - container_storage_modules_csm < 1.18.0 or later
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T16:17:09.877'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-70411'
references:
  - url: >-
      https://www.dell.com/support/kbdoc/en-us/000515771/dsa-2026-448-security-update-for-dell-container-storage-modules-multiple-vulnerabilities?msockid=3021cac2195069ed3194ddad186a68f9
    label: security_alert@emc.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T16:04:04.487Z'
---

## Overview

Dell Container Storage Modules (CSM), versions prior to 1.18.0, contains a Missing Authentication for Critical Function vulnerability in the csm-authorization-tenant gRPC service (TenantService). An unauthenticated adjacent network attacker could potentially exploit this vulnerability, leading to unauthorized creation of tenant entities, cross-tenant role injection, and modification of storage access control flags.

## Remediation

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