CVE-2026-45040: Rustfs

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

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

• Rustfs Rustfs: before 1.0.0-beta.2 (fixed in 1.0.0-beta.2)

Published 2026-05-28. Last modified 2026-06-17.