CVE-2025-26479 Memory corruption in PowerScale OneFS

What is CVE-2025-26479?

CVE-2025-26479 is a low-severity memory corruption vulnerability in Dell Powerscale Onefs, published on 10 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Dell PowerScale OneFS, versions 9.4.0.0 through 9.10.0.0, contains an out-of-bounds write vulnerability. An attacker could potentially exploit this vulnerability in NFS workflows, leading to data integrity issues.

Weakness: CWE-787

Which versions are affected by CVE-2025-26479?

It affects 1 product.

Products include Dell Powerscale Onefs.

How do I fix CVE-2025-26479?

No fix has been published for CVE-2025-26479 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-26479 being exploited?

There is no known exploitation of CVE-2025-26479 in the wild and no public exploit code.

Other vulnerabilities in Dell Powerscale Onefs

• CVE-2024-53298 Missing authorization in PowerScale OneFS Critical 9.8
• CVE-2025-27690 Hardcoded credentials in PowerScale OneFS Critical 9.8
• CVE-2022-31229 Information disclosure in PowerScale OneFS Critical 9.6
• CVE-2026-22278 Auth bypass in PowerScale OneFS High 8.1
• CVE-2024-29170 Hardcoded credentials in PowerScale OneFS High 8.1

All Dell Powerscale Onefs vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-p7f2-4vp4-pjr6.