Skip to content
OpenAdvisories
Medium · 6.6 CVE-2026-34391 EUVD-2026-16799

Fleet Vulnerable to Windows MDM cross-device command disclosure

Published Mar 27, 2026 · Updated Mar 27, 2026 · Assigned by GitHub_M

Description

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.

Affected products

VendorProductAffectedFixed
fleetdm fleet < 4.81.1 —

Advisories 1

References