CVE-2025-26330 Missing authorization in PowerScale OneFS

High 7.0 Published 10 Apr 2025 Updated 26 Feb 2026

An unauthenticated local attacker can access the cluster with the privileges of a disabled user account due to incorrect authorization checks.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-26330?

CVE-2025-26330 is a high-severity missing authorization vulnerability in Dell Powerscale Onefs, published on 10 Apr 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Dell PowerScale OneFS, versions 9.4.0.0 through 9.10.0.1, contains an incorrect authorization vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability to access the cluster with previous privileges of a disabled user account.

Weakness: CWE-863

Which versions are affected by CVE-2025-26330?

It affects 1 product.

Products include Dell Powerscale Onefs.

How do I fix CVE-2025-26330?

No fix has been published for CVE-2025-26330 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-2025-26330 being exploited?

There is no known exploitation of CVE-2025-26330 in the wild and no public exploit code.

All Dell Powerscale Onefs vulnerabilities

Sources

Also known as GHSA-m436-48r8-qqpq.