CVE-2025-69255: RustFS gRPC GetMetrics deserialization panic enables remote DoS

January 7, 2026

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.

References

github.com/advisories/GHSA-gw2x-q739-qhcr
github.com/rustfs/rustfs
github.com/rustfs/rustfs/commit/eb33e82b56ed11fd12bb39416359d8d60737dc7a
github.com/rustfs/rustfs/security/advisories/GHSA-gw2x-q739-qhcr
nvd.nist.gov/vuln/detail/CVE-2025-69255

Code Behaviors & Features

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