How severe is CVE-2026-22278?

CVE-2026-22278 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-22278 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22278?

CVE-2026-22278 affects Dell Powerscale Onefs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22278?

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-2026-22278 have an EU (EUVD) identifier?

Yes. CVE-2026-22278 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3888.

When was CVE-2026-22278 published?

CVE-2026-22278 was published on 2026-01-22 and last updated on 2026-06-17.

CVE-2026-22278

CVE-2026-22278 is a high-severity vulnerability in Dell Powerscale Onefs with a CVSS 3.x base score of 8.1. 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-307.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3888
Weakness: CWE-307
Affected product: Dell Powerscale Onefs
Published: 2026-01-22
Last modified: 2026-06-17

Description

Dell PowerScale OneFS versions prior to 9.13.0.0 contains an improper restriction of excessive authentication attempts vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.

Frequently asked questions

What is CVE-2026-22278?: Dell PowerScale OneFS versions prior to 9.13.0.0 contains an improper restriction of excessive authentication attempts vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.
How severe is CVE-2026-22278?: CVE-2026-22278 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-22278 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22278?: CVE-2026-22278 affects Dell Powerscale Onefs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22278?: 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-2026-22278 have an EU (EUVD) identifier?: Yes. CVE-2026-22278 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3888.
When was CVE-2026-22278 published?: CVE-2026-22278 was published on 2026-01-22 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000415586/dsa-2026-049-security-update-for-dell-powerscale-onefs-multiple-vulnerabilities

Affected products (1)

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

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