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CVE-2026-63688

Dell Container Storage Modules authentication bypass

10.0 CRITICALEPSS 0.79%
  1. Published6 Oct 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Dell Container Storage Modules< 1.18.0

Remediation

Fixed in
Dell Container Storage Modules≥ 1.18.0

References

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Frequently asked

Is CVE-2026-63688 being actively exploited?

CVE-2026-63688 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.79%.

How severe is CVE-2026-63688?

CVE-2026-63688 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 0.79% probability of exploitation.

Which products are affected by CVE-2026-63688?

Affected products include Dell Container Storage Modules.

How do I fix CVE-2026-63688?

Upgrade affected software to a fixed version, for example Dell Container Storage Modules 1.18.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-63688 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.