Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

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

Quick assessment

Affected
rustfs rustfs
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。

AI Predicted 7.5 Difficulty: Easy EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
rustfs rustfs < 1.0.0-beta.2 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-45040

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
RustFS: Sensitive Information Leakage (SessionToken and SecretAccessKey) in RustFS Logs [Debug Mode]
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5
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

Vendor Product Affected Versions CPE Subscribe
rustfs rustfs < 1.0.0-beta.2 -

II. Public POCs for CVE-2026-45040

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-45040

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-45040 (1)

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

CVE-2026-45039 9.8 CRITICAL RustFS: Internode RPC HMAC secret falls back to public default credential, enabling peer i
CVE-2026-45044 RustFS: Authentication bypass in /profile/cpu and /profile/memory allows unauthenticated a
CVE-2026-45042 RustFS: UploadPartCopy Does Not Enforce Destination Bucket Policy on Copy Source
CVE-2026-45041 RustFS: Hard-coded RSA private key in license verifier permits arbitrary license forgery
CVE-2026-47136 RustFS: Unauthenticated RustFS console license endpoint exposes license metadata
CVE-2026-46685 RustFS: Reflective CORS with credentials on S3 listener; unauthenticated license metadata

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-45040

No comments yet

Leave a comment