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Disclosures

RustFS · RustFS

RustFS gRPC GetMetrics deserialization panic enables remote DoS

5.5medium
SecMateSECMATE-2025-0009
VendorRustFS
ProductRustFS
VectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Timeline
Reported
Dec 8, 2025
Fixed
Dec 30, 2025
Published
Jan 7, 2026
Summary

RustFS is a distributed object storage system built in Rust. In versions 1.0.0-alpha.13 to 1.0.0-alpha.77, a malformed gRPC GetMetrics request causes get_metrics to unwrap() failed deserialization of metric_type/opts, panicking the handler thread and enabling remote denial of service of the metrics endpoint. This issue has been patched in version 1.0.0-alpha.78.

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