Security readout for executives and security teams
Plain-English summary
Dell PowerScale OneFS before 9.13.0.0 has a login-attempt control weakness. A remote attacker who is not logged in could potentially use it to gain unauthorized access. For organizations using PowerScale for storage, the business risk is loss of confidentiality, integrity, and availability of stored data.
Executive priority
Prioritize remediation for PowerScale systems storing sensitive or business-critical data. Treat this as a high-priority storage platform issue, but do not assume active exploitation from the provided evidence. Upgrade planning and access review should begin promptly.
Technical view
CVE-2026-22278 is CWE-307, improper restriction of excessive authentication attempts, in Dell PowerScale OneFS versions prior to 9.13.0.0. CVSS 3.1 is 8.1, with network attack vector, no privileges, no user interaction, high complexity, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to Dell PowerScale OneFS deployments running versions earlier than 9.13.0.0, especially where authentication services are reachable over a network. The source bundle does not provide affected subcomponents or configuration-specific exposure details.
Exploitation context
The CVE record describes potential unauthenticated remote exploitation leading to unauthorized access. CISA KEV status is false in the provided bundle, and no cited source states active exploitation. Attack complexity is rated high, but successful exploitation could have broad data and service impact.
Researcher notes
Public details are sparse. The record identifies CWE-307 and unauthorized access impact but does not specify the exact authentication endpoint, exploit method, or compensating controls. Avoid inferring brute-force mechanics beyond the CWE and Dell/CVE wording.
Mitigation direction
- Upgrade Dell PowerScale OneFS to 9.13.0.0 or later per Dell’s advisory.
- If immediate upgrade is not possible, check Dell guidance for supported interim controls.
- Restrict network access to OneFS authentication interfaces where operationally feasible.
- Monitor authentication activity for repeated failures and unexpected successful logins.
Validation and detection
- Inventory all Dell PowerScale OneFS clusters and record running versions.
- Flag any OneFS version earlier than 9.13.0.0 as affected.
- Confirm remediation against Dell advisory DSA-2026-049.
- Review authentication logs for abnormal repeated attempts or suspicious access.
- Verify administrative and storage access paths are limited to expected networks.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-307: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-22278 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/kbdoc/en-us/000415586/dsa-2026-049-security-update-for-dell-powerscale-onefs-multiple-vulnerabilitiesCVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Restriction of Excessive Authentication Attempts
Improper Restriction of Excessive Authentication Attempts represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.