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.
Metrics
Affected Vendors & Products
References
History
Thu, 02 Apr 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:fleetdm:fleet:*:*:*:*:*:*:*:* | |
| Metrics |
cvssV3_1
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Tue, 31 Mar 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Mon, 30 Mar 2026 07:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Fleetdm
Fleetdm fleet |
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| Vendors & Products |
Fleetdm
Fleetdm fleet |
Fri, 27 Mar 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Fleet vulnerable to Denial of Service via unhandled gRPC log type in launcher endpoint | |
| Weaknesses | CWE-703 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-03-27T19:13:00.388Z
Updated: 2026-03-31T13:44:23.562Z
Reserved: 2026-03-27T13:45:29.619Z
Link: CVE-2026-34388
Updated: 2026-03-31T13:44:11.047Z
Status : Analyzed
Published: 2026-03-27T20:16:35.800
Modified: 2026-04-02T19:34:17.003
Link: CVE-2026-34388
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