CVE-2026-26062

CVE-2026-26062 affects Fleet before version 4.81.0, where the gRPC Launcher PublishLogs endpoint could terminate the Fleet server when handling certain inputs. An authenticated attacker with access to an enrolled Launcher node key could trigger an immediate DoS by sending a single gRPC request, i...

GHSA-X67P-9M2R-FXQV Fleet server may terminate unexpectedly when handling certain gRPC requests

Summary Fleet contained a denial-of-service DoS issue in the gRPC Launcher PublishLogs endpoint. In affected versions, certain unexpected input values were not handled gracefully, which could cause the Fleet server process to terminate while processing an authenticated request from an enrolled...

GHSA-W254-4HP5-7CVV Fleet vulnerable to Denial of Service via unhandled gRPC log type in launcher endpoint

Summary 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. Impact ...