CVE-2026-22278
Published: 22 January 2026
Summary
CVE-2026-22278 is a high-severity Improper Restriction of Excessive Authentication Attempts (CWE-307) vulnerability in Dell Powerscale Onefs. Its CVSS base score is 8.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Brute Force (T1110); ranked at the 28.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 AC-7 (Unsuccessful Logon Attempts) and SI-2 (Flaw Remediation).
Deeper analysis
CVE-2026-22278 is an improper restriction of excessive authentication attempts vulnerability, classified under CWE-307, affecting Dell PowerScale OneFS versions prior to 9.13.0.0. Published on 2026-01-22, it carries a CVSS v3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating high severity due to significant impacts on confidentiality, integrity, and availability.
An unauthenticated attacker with remote network access can exploit this vulnerability, though it requires high attack complexity and no user privileges or interaction. Successful exploitation could lead to unauthorized access on the affected system.
Dell's security advisory DSA-2026-049 details mitigation for this and other PowerScale OneFS vulnerabilities, recommending an update to version 9.13.0.0 or later. Additional guidance is available at https://www.dell.com/support/kbdoc/en-us/000415586/dsa-2026-049-security-update-for-dell-powerscale-onefs-multiple-vulnerabilities.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-3888
Vulnerability details
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.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
CWE-307 directly enables brute force attacks (T1110) by failing to restrict excessive authentication attempts on a remotely accessible service.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
AC-7 directly limits unsuccessful logon attempts and enforces account lockouts, preventing brute-force exploitation of the improper restriction vulnerability leading to unauthorized access.
SI-2 mandates timely identification and correction of software flaws, such as patching Dell PowerScale OneFS to version 9.13.0.0 or later to remediate this authentication vulnerability.
SI-4 enables continuous monitoring of systems to detect anomalous patterns of excessive authentication attempts indicative of brute-force attacks.