CVE-2026-45040

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

Published May 28, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Rustfs
Rustfs rustfs
Vendors & Products Rustfs
Rustfs rustfs
Type Values Removed Values Added
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.
Title RustFS: Sensitive Information Leakage (SessionToken and SecretAccessKey) in RustFS Logs [Debug Mode]
Weaknesses CWE-312
CWE-532
References
Metrics cvssV4_0

{'score': 5.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 2, 2026, 1:55 PM
Reserved
May 8, 2026, 6:07 PM
Status
Deferred
Published
May 28, 2026, 7:16 PM
Modified
Jun 17, 2026, 10:51 AM