What is the CVSS score of CVE-2026-22278?

CVE-2026-22278 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Powerscale Onefs are affected by CVE-2026-22278?

Dell PowerScale OneFS versions up to 9.13.0.0 contain a critical authentication bypass vulnerability that could allow attackers to gain unauthorized access through brute force attacks without rate…

How to fix or mitigate CVE-2026-22278?

Within 24 hours: Inventory all PowerScale OneFS deployments and confirm versions; enable enhanced logging for authentication attempts. Within 7 days: Implement network-level rate limiting and IP-based access controls; restrict administrative interfaces to trusted networks only; increase monitoring of failed login attempts. Within 30 days: Contact Dell for patch timeline; evaluate upgrade to patched version when available; conduct access audit for unauthorized login attempts.

Powerscale Onefs CVE-2026-22278

HIGH

Improper Restriction of Excessive Authentication Attempts (CWE-307)

2026-01-22 security_alert@emc.com

Authentication Bypass Dell Powerscale Onefs

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 22, 2026 - 17:16 nvd

HIGH 8.1

DescriptionCVE.org

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.

AnalysisAI

Powerscale Onefs versions up to 9.13.0.0 is affected by improper restriction of excessive authentication attempts (CVSS 8.1).

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Send authentication requests to Dell PowerScale OneFS

Exploit

Bypass rate limiting on login attempts

Execution

Conduct brute force attack

Impact

Gain unauthorized account access

Access

Send authentication requests to Dell PowerScale OneFS

Exploit

Bypass rate limiting on login attempts

Execution

Conduct brute force attack

Impact

Gain unauthorized account access

Vulnerability AssessmentAI

Exploitation	Dell PowerScale OneFS versions prior to 9.13.0.0 with authentication endpoint exposed to network. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 8.1 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker without authentication could exploit this flaw, Unauthorized access.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.