Intel

CVE-2026-63688

container_storage_modules: Missing Authentication for Critical Function (CVE-2026-63688)

criticalEPSS 0.8%

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.

Source: NVD (NIST)cvelistv5CVE.org (MITRE)

Affected products

The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

dellcontainer_storage_modules
1.18.0fixed from 1.18.0

Metrics

XIEM Effective CVSS
10.0
Source: cna-v3
EPSS percentile
55.0 %
High — this CVE ranks above the median of all CVEs scored today (rank ≥ 36%).
KEV status
—
Show all metrics
Severity
critical
Priority score
104.18
Exploit maturity
no public PoC known
CVSS v3
10.0
EPSS score
0.8 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-10-06 15:17 UTC
CWE
CWE-306

Weakness classes (CWE)

  • CWE-306Base

    Missing Authentication for Critical Function

    The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. Initial Analysis2026-10-08 14:15 UTC· nvd@nist.gov
    • CPE Configuration: OR *cpe:2.3:a:dell:container_storage_modules:*:*:*:*:*:*:*:* versions up to (excluding) 1.18.0
    • Reference Type: Dell: https://www.dell.com/support/kbdoc/en-us/000515771/dsa-2026-448-security-update-for-dell-container-storage-modules-multiple-vulnerabilities?msockid=3021cac2195069ed3194ddad186a68f9 Types: Vendor Advisory
  2. CVE Modified2026-10-06 18:16 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-63688","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"yes"},{"technical…
  3. New CVE Received2026-10-06 15:17 UTC· security_alert@emc.com
    • 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.
    • CVSS V3.1: AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    • CWE: CWE-306
    • Affected: New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/63xxx/CVE-2026-63688.json">CVE-2026-63688</a>

Linked advisories