Security readout for executives and security teams
Plain-English summary
CVE-2026-22280 affects Dell PowerScale OneFS and could let a low-privileged local user cause a denial of service. This is mainly an availability risk to storage services, not a data theft issue based on current public information.
Executive priority
Treat as a planned but timely storage availability fix. Prioritize systems supporting critical business operations or environments with broad local user access. There is no cited evidence of active exploitation.
Technical view
Dell describes an incorrect permission assignment for a critical resource in PowerScale OneFS. A local attacker with low privileges could potentially exploit it to impact availability. CVSS 3.1 score is 5.0 with local access, low complexity, low privileges, user interaction required, and high availability impact.
Likely exposure
Organizations running Dell PowerScale OneFS versions 9.5.0.0-9.5.1.5, 9.6.0.0-9.7.1.10, 9.8.0.0-9.10.1.3, or 9.11.0.0 before 9.13.0.0 should assess exposure.
Exploitation context
The sources do not indicate active exploitation, public exploit code, or remote exploitation. Exploitation requires local access and low privileges, reducing internet-scale risk but increasing concern where many users or services can access the appliance locally.
Researcher notes
Public details are limited. The CVSS vector includes UI:R, and the description states low-privileged local access. The source bundle does not provide exploit mechanics or detailed remediation text beyond Dell’s advisory reference.
Mitigation direction
- Review Dell advisory DSA-2026-049 for exact fixed versions and update guidance.
- Upgrade or apply Dell-provided remediation where applicable.
- Limit local shell or administrative access to trusted users only.
- Review service accounts with local access to affected OneFS systems.
Validation and detection
- Inventory all Dell PowerScale clusters and OneFS versions.
- Compare deployed versions against the affected ranges in the CVE description.
- Confirm remediation status against Dell advisory DSA-2026-049.
- Monitor affected systems for unexplained availability disruptions.
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
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CWE-732: Authorization and privilege behavior lookup
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Open ATT&CK lookupCVE-2026-22280 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
- Medium
- CVSS
- 5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/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:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H1.33.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/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.
Incorrect Permission Assignment for Critical Resource
Incorrect Permission Assignment for Critical Resource represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.