CVE-2026-63688 Missing authorization in Dell Container Storage Modules (CSM)

Critical 10.0 Published 6 Oct 2026 Updated 6 Oct 2026

Unauthenticated attackers can access storage backend administrator credentials via the csm-authorization-storage gRPC server in Dell CSM.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-63688?

CVE-2026-63688 is a critical missing authorization vulnerability in Dell Container Storage Modules (CSM), published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-306

Which versions are affected by CVE-2026-63688?

It affects 1 product.

Products include Dell Container Storage Modules.

How do I fix CVE-2026-63688?

No fix has been published for CVE-2026-63688 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-63688 being exploited?

There is no known exploitation of CVE-2026-63688 in the wild and no public exploit code.

Sources

Also known as GHSA-hhg3-7qw5-4hq9.