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Fleet/V4

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high advisory

Fleet Server gRPC PublishLogs Endpoint Denial-of-Service Vulnerability (CVE-2026-26062)

Fleet server versions prior to 4.81.0 are vulnerable to a denial-of-service (DoS) via the gRPC Launcher `PublishLogs` endpoint, where unexpected input values can cause the server process to terminate upon receiving a crafted request from an authenticated Launcher host.

fleet/v4 denial-of-service grpc fleet github advisory
2r 1t 1i