CVE-2026-86355

8.3

HIGH CVSS 3.1

Dell PowerStore Path Traversal Privilege Escalation

Overview

Overview

Description

Dell PowerStore contains an External Control of File Name or Path vulnerability. A remote authenticated attacker could exploit this vulnerability, potentially leading to privilege escalation on the appliance.

Details

INFO

Published Date :

Nov. 13, 2026, 1:18 p.m.

Last Modified :

Nov. 13, 2026, 1:18 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]

Impact

Affected Products

The following products are affected by CVE-2026-86355 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID	Vendor	Product
1	Dell	powerstore_500t
2	Dell	powerstore_1000t
3	Dell	powerstore_1200t
4	Dell	powerstore_3200t
5	Dell	powerstore_3000t
6	Dell	powerstore_5200t
7	Dell	powerstore_5000t
8	Dell	powerstore_7000t
9	Dell	powerstore_9000t
10	Dell	powerstore_9200t
11	Dell	powerstore_3200q
12	Dell	powerstore_5200q

: Total Affected Vendor : 1 | Products : 12

Scoring

CVSS Scores

The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.

Version	Severity	Source
CVSS 3.1	HIGH	c550e75a-17ff-4988-97f0-544cde3820fe
CVSS 3.1	HIGH	MITRE-CVE
CVSS 3.1	HIGH	[email protected]

Solution

Patch Dell PowerStore to fix External Control of File Name or Path.

Update Dell PowerStore to the latest version.
Apply vendor-provided security patches.

References

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-86355.

URL	Resource
https://www.dell.com/support/kbdoc/en-us/000527640/dsa-2026-479-dell-powerstore-t-security-update-for-multiple-vulnerabilities

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-86355 is associated with the following CWEs:

CWE-73: External Control of File Name or Path

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-86355 weaknesses.

CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic Using Slashes and URL Encoding Combined to Bypass Validation Logic CAPEC-72: URL Encoding URL Encoding CAPEC-76: Manipulating Web Input to File System Calls Manipulating Web Input to File System Calls CAPEC-78: Using Escaped Slashes in Alternate Encoding Using Escaped Slashes in Alternate Encoding CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-80: Using UTF-8 Encoding to Bypass Validation Logic Using UTF-8 Encoding to Bypass Validation Logic CAPEC-267: Leverage Alternate Encoding Leverage Alternate Encoding

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-86355 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.

CVE-2026-86355

Dell PowerStore Path Traversal Privilege Escalation

Description

INFO

Nov. 13, 2026, 1:18 p.m.

Nov. 13, 2026, 1:18 p.m.

Yes !

[email protected]

Affected Products

CVSS Scores

Solution

References to Advisories, Solutions, and Tools

CWE - Common Weakness Enumeration

Common Attack Pattern Enumeration and Classification (CAPEC)

Vulnerability Scoring Details

Base CVSS Score: 8.3

Browse by Apps

CVE-2026-86355

Dell PowerStore Path Traversal Privilege Escalation

Description

INFO

Nov. 13, 2026, 1:18 p.m.

Nov. 13, 2026, 1:18 p.m.

Yes !

[email protected]

Affected Products

CVSS Scores

Solution

References to Advisories, Solutions, and Tools

CWE - Common Weakness Enumeration

Common Attack Pattern Enumeration and Classification (CAPEC)

Vulnerability Scoring Details

Base CVSS Score: 8.3

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