CVE-2026-22056 CVE-2026-22056 Denial of Service Vulnerability in StorageGRID (formerly StorageGRID Webscale)

Low 2.3 Published Updated

An attacker with environmental control can cause a partial denial of service in NetApp StorageGRID under non-standard configurations.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-22056?

CVE-2026-22056 is a low-severity denial of service vulnerability in NetApp StorageGRID, published on 28 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

StorageGRID (formerly StorageGRID Webscale) versions 11.5 and higher in a non-standard configuration and scenario are susceptible to a Denial of Service vulnerability. Successful exploit could allow an attacker with some control over the environment to cause a partial Denial of Service.

Weakness: CWE-774

Which versions are affected by CVE-2026-22056?

How do I fix CVE-2026-22056?

No fix has been published for CVE-2026-22056 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-22056 being exploited?

There is no known exploitation of CVE-2026-22056 in the wild and no public exploit code.

Sources

Also known as GHSA-5wch-3wjh-6fhj.

Is CVE-2026-22056 in your software?

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