What is the CVSS score of CVE-2026-26359?

CVE-2026-26359 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Unisphere For Powermax are affected by CVE-2026-26359?

Dell Unisphere for PowerMax 10.2 contains a critical vulnerability allowing remote attackers with basic credentials to overwrite arbitrary files on affected storage systems.

How to fix or mitigate CVE-2026-26359?

Within 24 hours: Inventory all Dell Unisphere for PowerMax 10.2 instances and restrict network access to administrative personnel only via firewall rules. Within 7 days: Implement network segmentation to isolate Unisphere management interfaces from general corporate networks and enforce multi-factor authentication for all administrative accounts. Within 30 days: Contact Dell support for patch availability timeline; evaluate upgrade to patched versions or decommissioning of affected systems if no patch becomes available.

Unisphere For Powermax CVE-2026-26359

HIGH

External Control of File Name or Path (CWE-73)

2026-02-19 security_alert@emc.com

Information Disclosure Dell Unisphere For Powermax

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:03 vuln.today

CVE Published

Feb 19, 2026 - 09:16 nvd

HIGH 8.8

DescriptionCVE.org

Dell Unisphere for PowerMax, version(s) 10.2, contain(s) an External Control of File Name or Path vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to the ability to overwrite arbitrary files.

AnalysisAI

Dell Unisphere for PowerMax 10.2 contains a path traversal vulnerability that allows authenticated remote attackers to overwrite arbitrary files on the system. This HIGH severity flaw (CVSS 8.8) requires only low privileges and network access to exploit, potentially enabling complete system compromise. No patch is currently available for this vulnerability.

Technical ContextAI

Affects Unisphere For Powermax. Dell Unisphere for PowerMax, version(s) 10.2, contain(s) an External Control of File Name or Path vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to the ability to overwrite arbitrary files.