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CVE-2026-47136— RustFS: Unauthenticated RustFS console license endpoint exposes license metadata

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之前版本存在访问控制错误漏洞，该漏洞源于控制台端点GET /rustfs/console/license未要求身份验证，可能导致任何可访问控制台监听器的客户端查询该端点获取许可元数据。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.31% · P24

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
rustfs rustfs < 1.0.0-beta.2 affected
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I. Basic Information for CVE-2026-47136

Vulnerability Information
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Vulnerability Title
RustFS: Unauthenticated RustFS console license endpoint exposes license metadata
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, the RustFS console endpoint GET /rustfs/console/license returns parsed license metadata without requiring authentication. The endpoint is registered on the console listener and returns JSON containing license information such as the license subject and expiration timestamp. Any client that can reach the console listener can query this endpoint without credentials. 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:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
rustfs 访问控制错误漏洞
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之前版本存在访问控制错误漏洞，该漏洞源于控制台端点GET /rustfs/console/license未要求身份验证，可能导致任何可访问控制台监听器的客户端查询该端点获取许可元数据。
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-2026-47136

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III. Intelligence Information for CVE-2026-47136

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Vendor Advisories for CVE-2026-47136 (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-2026-45040 RustFS: Sensitive Information Leakage (SessionToken and SecretAccessKey) in RustFS Logs [D
CVE-2026-45041 RustFS: Hard-coded RSA private key in license verifier permits arbitrary license forgery
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-200

V. Comments for CVE-2026-47136

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