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CVE-2026-45040— RustFS: Sensitive Information Leakage (SessionToken and SecretAccessKey) in RustFS Logs [Debug Mode]

AI Predicted 7.5 Difficulty: Easy EPSS 0.03% · P9

Possible ATT&CK Techniques 1AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProductVersion RangeStatus
rustfsrustfs< 1.0.0-beta.2affected
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I. Basic Information for CVE-2026-45040

Vulnerability Information
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Vulnerability Title
RustFS: Sensitive Information Leakage (SessionToken and SecretAccessKey) in RustFS Logs [Debug Mode]
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据的明文存储
Source: NVD (National Vulnerability Database)
Vulnerability Title
rustfs 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
rustfs是RustFS开源的一个高性能对象存储系统。 RustFS 1.0.0-beta.2之前版本存在日志信息泄露漏洞，该漏洞源于调试日志输出中泄露敏感凭据，包括SessionToken、SecretAccessKey和JWT声明。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
rustfsrustfs < 1.0.0-beta.2 -

II. Public POCs for CVE-2026-45040

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III. Intelligence Information for CVE-2026-45040

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Vendor Advisories for CVE-2026-45040 (1)

Same Patch Batch · rustfs · 2026-05-28 · 7 CVEs total

CVE-2026-450399.8 CRITICALRustFS: Internode RPC HMAC secret falls back to public default credential, enabling peer i
CVE-2026-45044RustFS: Authentication bypass in /profile/cpu and /profile/memory allows unauthenticated a
CVE-2026-45042RustFS: UploadPartCopy Does Not Enforce Destination Bucket Policy on Copy Source
CVE-2026-45041RustFS: Hard-coded RSA private key in license verifier permits arbitrary license forgery
CVE-2026-47136RustFS: Unauthenticated RustFS console license endpoint exposes license metadata
CVE-2026-46685RustFS: Reflective CORS with credentials on S3 listener; unauthenticated license metadata

IV. Related Vulnerabilities

Same product: rustfs
Same vendor: rustfs
Same weakness: CWE-312

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