How severe is CVE-2025-26330?

CVE-2025-26330 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-26330 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26330?

CVE-2025-26330 affects Dell Powerscale Onefs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-26330?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-26330 have an EU (EUVD) identifier?

Yes. CVE-2025-26330 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10500.

When was CVE-2025-26330 published?

CVE-2025-26330 was published on 2025-04-10 and last updated on 2026-06-17.

CVE-2025-26330

CVE-2025-26330 is a high-severity vulnerability in Dell Powerscale Onefs with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10500
Weakness: CWE-863
Affected product: Dell Powerscale Onefs
Published: 2025-04-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-26330?: 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.
How severe is CVE-2025-26330?: CVE-2025-26330 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-26330 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26330?: CVE-2025-26330 affects Dell Powerscale Onefs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-26330?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-26330 have an EU (EUVD) identifier?: Yes. CVE-2025-26330 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10500.
When was CVE-2025-26330 published?: CVE-2025-26330 was published on 2025-04-10 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000300860/dsa-2025-119-security-update-for-dell-powerscale-onefs-for-multiple-security-vulnerabilities

Affected products (1)

cpe:2.3:a:dell:powerscale_onefs:*:*:*:*:*:*:*:*

More vulnerabilities in Dell Powerscale Onefs

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Other CWE-863 (Incorrect Authorization) vulnerabilities

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CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
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