CVE-2026-34391

Fleet is open source device management software. Prior to 4.81.1, a vulnerability in Fleet's Windows MDM command processing allows a malicious enrolled device to access MDM commands intended for other devices, potentially exposing sensitive configuration data such as WiFi credentials, VPN secrets, and certificate payloads across the entire Windows fleet. Version 4.81.1 patches the issue.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/fleetdm/fleet/security/advisories/GHSA-wg7j-pcc3-h4rh	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:fleetdm:fleet:*:*:*:*:*:*:*:*

History

26 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) Fleet es un software de gestión de dispositivos de código abierto. Antes de la versión 4.81.1, una vulnerabilidad en el procesamiento de comandos MDM de Windows de Fleet permite que un dispositivo malicioso inscrito acceda a comandos MDM destinados a otros dispositivos, exponiendo potencialmente datos de configuración sensibles como credenciales WiFi, secretos VPN y cargas útiles de certificados en toda la flota de Windows. La versión 4.81.1 corrige el problema.

Information

Published : 2026-03-27 20:16

Updated : 2026-10-26 22:10

NVD link : CVE-2026-34391

Mitre link : CVE-2026-34391

CVE.ORG link : CVE-2026-34391

JSON object : View

Products Affected

fleetdm

fleet

CWE

CWE-488

Exposure of Data Element to Wrong Session

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