Security readout for executives and security teams
Plain-English summary
Dell Unisphere for PowerMax 10.2 has a high-severity path control flaw. A low-privileged remote attacker could potentially overwrite arbitrary files. For storage management environments, this could affect confidentiality, integrity, and availability if reachable accounts are compromised or misused.
Executive priority
Prioritize review in environments where Unisphere manages critical PowerMax storage. Treat as high urgency if accessible beyond a tightly controlled admin network or if many low-privileged users have access.
Technical view
CVE-2026-26359 is a CWE-73 External Control of File Name or Path issue in Dell Unisphere for PowerMax 10.2. CVSS 3.1 is 8.8: network exploitable, low complexity, low privileges required, no user interaction, with high CIA impact. The source bundle does not provide fixed-version details.
Likely exposure
Exposure is most relevant where Dell Unisphere for PowerMax 10.2 is deployed and reachable over a network by authenticated low-privileged users. Internet exposure is not stated in the sources and should be assessed locally.
Exploitation context
The CVE record says exploitation requires low privileges and remote access, with no user interaction. CISA KEV is false in the provided data, and the sources provided do not state active exploitation or public exploit availability.
Researcher notes
The public bundle identifies the weakness class and CVSS vector but lacks technical root-cause details, affected build ranges beyond 10.2, and fixed versions. Avoid assuming exploitability conditions beyond authenticated remote access and arbitrary file overwrite potential.
Mitigation direction
- Review Dell advisory DSA-2026-102 for official update or mitigation guidance.
- Inventory Unisphere for PowerMax deployments and identify version 10.2 instances.
- Restrict network access to management interfaces to trusted administration paths.
- Review low-privileged accounts with access to Unisphere for PowerMax.
- Monitor Dell support channels for fixed-version and remediation details.
Validation and detection
- Confirm whether Dell Unisphere for PowerMax 10.2 is installed.
- Check whether the management interface is reachable from untrusted networks.
- Review user roles for low-privileged remote access.
- Compare installed versions against Dell advisory DSA-2026-102.
- Check file integrity and logs for unexpected file overwrites.
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-73: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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-2026-26359 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
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
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.
External Control of File Name or Path
External Control of File Name or Path represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.