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Disclosures

RustFS · RustFS

SourceIp bypass via spoofed X-Forwarded-For/Real-IP headers

7.7high
SecMateSECMATE-2025-0010
VendorRustFS
ProductRustFS
VectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
Timeline
Reported
Dec 8, 2025
Fixed
Dec 30, 2025
Published
Feb 3, 2026
Summary

RustFS is a distributed object storage system built in Rust. Prior to version alpha.78, IP-based access control can be bypassed: get_condition_values trusts client-supplied X-Forwarded-For/X-Real-Ip without verifying a trusted proxy, so any reachable client can spoof aws:SourceIp and satisfy IP-allowlist policies. This issue has been patched in version alpha.78.

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