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Medium · 5.3 CVE-2026-45040 EUVD-2026-32997

RustFS: Sensitive Information Leakage (SessionToken and SecretAccessKey) in RustFS Logs [Debug Mode]

Published May 28, 2026 · Updated Jun 2, 2026 · Assigned by GitHub_M

Description

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.2, RustFS suffers from sensitive information leakage in log outputs. When the server is run with RUST_LOG=debug sensitive credentials including SessionToken (JWT), SecretAccessKey, and full JWT claims are printed in plaintext to the server logs. This vulnerability is fixed in 1.0.0-beta.2.

Affected products

VendorProductAffectedFixed
rustfs rustfs < 1.0.0-beta.2 —

References