CVE-2026-34388

Fleet is open source device management software. Prior to 4.81.0, a denial-of-service vulnerability in Fleet's gRPC Launcher endpoint allows an authenticated host to crash the entire Fleet server process by sending an unexpected log type value. The server terminates immediately, disrupting all connected hosts, MDM enrollments, and API consumers. Version 4.81.0 patches the issue.

CVSS

No CVSS.

References

Link	Resource
https://github.com/fleetdm/fleet/security/advisories/GHSA-w254-4hp5-7cvv

Configurations

No configuration.

History

No history.

Information

Published : 2026-03-27 20:16

Updated : 2026-03-30 13:26

NVD link : CVE-2026-34388

Mitre link : CVE-2026-34388

CVE.ORG link : CVE-2026-34388

JSON object : View

Products Affected

No product.

CWE

CWE-703

Improper Check or Handling of Exceptional Conditions

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CVE-2026-34388

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