CVE-2026-34388

Name of the Vulnerable Software and Affected Versions Fleet versions prior to 4.81.0

Description Fleet, an open-source device management software, contains a flaw in its gRPC Launcher endpoint. An authenticated host can exploit this to cause a denial-of-service condition, leading to the termination of the entire Fleet server process. This disruption impacts all connected hosts, Mobile Device Management (MDM) enrollments, and API consumers by sending an unexpected log type value to the gRPC Launcher endpoint.

Recommendations Update to version 4.81.0 or later.