CVE-2026-63688

critical

Description

Dell Container Storage Modules (CSM), versions prior to v1.18.0, contains a Missing Authentication for Critical Function vulnerability in the csm-authorization-storage gRPC server. An unauthenticated remote attacker could potentially exploit this vulnerability, leading to unauthorized access to storage backend administrator credentials for all registered storage arrays.

References

https://www.dell.com/support/kbdoc/en-us/000515771/dsa-2026-448-security-update-for-dell-container-storage-modules-multiple-vulnerabilities?msockid=3021cac2195069ed3194ddad186a68f9

https://www.bleepingcomputer.com/news/security/new-max-severity-dell-csm-flaws-give-hackers-admin-privileges/

https://thehackernews.com/2026/10/dell-csm-flaws-enable-unauthenticated.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-93428

Details

Source: Mitre, NVD

Published: 2026-10-06

Updated: 2026-10-08

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 10

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00487