Dell Wyse Management Suite up to 5.4 unrestricted upload

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Dell Wyse Management Suite up to 5.4. Affected by this issue is some unknown functionality. Executing a manipulation can lead to unrestricted upload. This vulnerability is handled as CVE-2026-22766. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Dell Wyse Management Suite up to 5.4 and classified as critical. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Dell Wyse Management Suite, versions prior to WMS 5.5, contain an Unrestricted Upload of File with Dangerous Type vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Remote execution.

The weakness was released by Alexander Zhurnakov as dsa-2026-103. The advisory is shared for download at dell.com. This vulnerability was named CVE-2026-22766 since 01/09/2026. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/28/2026). The MITRE ATT&CK project declares the attack technique as T1608.002.

The vulnerability scanner Nessus provides a plugin with the ID 300076 (Dell Wyse Management Suite < 5.5 Multiple Vulnerabilities (DSA-2026-103)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (300076). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.2
CNA Vector (dell): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 300076
Nessus Name: Dell Wyse Management Suite < 5.5 Multiple Vulnerabilities (DSA-2026-103)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Wyse Management Suite 5.5

Timelineinfo

01/09/2026 CVE reserved
02/24/2026 +46 days Advisory disclosed
02/24/2026 +0 days VulDB entry created
02/28/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2026-103
Researcher: Alexander Zhurnakov
Status: Confirmed

CVE: CVE-2026-22766 (🔒)
GCVE (CVE): GCVE-0-2026-22766
GCVE (VulDB): GCVE-100-347656

Entryinfo

Created: 02/24/2026 21:10
Updated: 02/28/2026 02:20
Changes: 02/24/2026 21:10 (65), 02/28/2026 02:20 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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