CVE-2026-45040

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

State: Published
Severity: 5.3 Medium
Published: May 28, 2026
Updated: Jun 2, 2026
Reserved: May 8, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-312 Cleartext Storage of Sensitive Information
CWE-532 Insertion of Sensitive Information into Log File

Affected Products

Product	Versions
rustfsrustfs	< 1.0.0-beta.2Affected

References

https://github.com/rustfs/rustfs/security/advisories/GHSA-8cm2-h255-v749

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.