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CVE-2026-22278: High Vulnerability in Dell PowerScale OneFS

Dell PowerScale OneFS versions prior to 9.13.0.0 are vulnerable to improper restriction of excessive authentication attempts. This high-severity vulnerability could allow unauthorized access to sensitive data. Immediate action is required to patch affected systems.

HIGHCVSS 8.1 · Published January 22, 2026

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Dell PowerScale OneFS versions prior to 9.13.0.0 contains an improper restriction of excessive authentication attempts vulnerability. This vulnerability allows an unauthenticated attacker with remote access to potentially exploit the system, leading to unauthorized access. The severity is classified as high with a CVSS score of 8.1, indicating a significant risk to organizations.

Organizations utilizing vulnerable versions of Dell PowerScale OneFS should prioritize addressing this vulnerability. The risk to organizations includes unauthorized access to sensitive information, which could have severe implications for data integrity and confidentiality.

Currently, there are no known exploits or public proof-of-concept (PoC) available for this vulnerability. However, given its high CVSS score and the potential for exploitation, organizations should act promptly. Organizations should prioritize patching immediately.

Immediate remediation is critical as unauthorized access could lead to further attacks on the network or data breaches.

Vulnerability Details

The vulnerability affects Dell PowerScale OneFS versions prior to 9.13.0.0. The official CVE description states: '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.'

This vulnerability is classified under CWE-307, which relates to improper restriction of excessive authentication attempts. The CVSS score from the primary source is 9.8, indicating a critical severity, while the secondary source gives it a score of 8.1, classified as high.

Technical Analysis

The root cause of this vulnerability lies in the failure to implement proper limits on authentication attempts. The attack vector is classified as network-based, meaning that an attacker can exploit this vulnerability remotely without needing physical access to the device. The attack complexity is rated as high, indicating that successful exploitation may require specific conditions to be met.

No privileges are required for exploitation, making it particularly dangerous as it allows unauthenticated access. User interaction is not necessary for exploitation, and the impact on confidentiality, integrity, and availability is rated as high. This means that the attacker could gain access to sensitive data, potentially alter it, and disrupt services.

Risk & Impact Analysis

The real-world deployment risk associated with this vulnerability is significant. Organizations using Dell PowerScale OneFS must understand the potential blast radius of an exploit. An attacker could access sensitive data, execute unauthorized actions, and cause severe damage to the organization's reputation and operational capacity.

Given the high CVSS score and the fact that it is not included in the Known Exploited Vulnerabilities (KEV) catalog, organizations need to be proactive in their security posture. The urgency for remediation is high, and organizations should address this vulnerability in their priority patch cycle.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The vulnerability affects all versions of Dell PowerScale OneFS prior to 9.13.0.0. Organizations should ensure they are running the latest version to mitigate this risk.

Mitigation & Remediation

Organizations should upgrade to Dell PowerScale OneFS version 9.13.0.0 or later to mitigate this vulnerability. In cases where immediate patching is not possible, organizations should implement additional network controls to limit remote access to the affected systems. Additionally, monitoring for unusual authentication attempts can help identify potential exploitation attempts.

For further guidance, organizations may consider engaging in penetration testing services to validate the effectiveness of their remediation efforts.

Detection Guidance

Organizations should monitor logs for indicators of unauthorized authentication attempts, track behavioral anomalies, and establish network signatures to detect potential exploitation of this vulnerability. Regular audits of access control configurations are also recommended.

AppSecure Threat Intelligence Insight

The long-term significance of CVE-2026-22278 is that it highlights the importance of implementing robust authentication mechanisms to prevent unauthorized access. Security teams should take this opportunity to review their authentication policies and ensure that they are enforcing strict limits on authentication attempts.

The pattern of vulnerabilities related to excessive authentication attempts can lead to serious security breaches, and organizations must remain vigilant. A strategic takeaway for security teams is to invest in penetration testing methodologies to proactively identify and address such vulnerabilities.

Furthermore, implementing a comprehensive vulnerability management program can help organizations mitigate similar risks in the future.

Finally, organizations should remain informed about emerging threats by utilizing resources such as VAPT testing services to ensure a proactive security posture.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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