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CVE-2026-45044— RustFS: Authentication bypass in /profile/cpu and /profile/memory allows unauthenticated access to profiling handlers

AI Predicted 7.5 Difficulty: Trivial EPSS 0.06% · P20

Affected Version Matrix 1

VendorProductVersion RangeStatus
rustfsrustfs< 1.0.0-beta.2affected
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I. Basic Information for CVE-2026-45044

Vulnerability Information
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Vulnerability Title
RustFS: Authentication bypass in /profile/cpu and /profile/memory allows unauthenticated access to profiling handlers
Source: NVD (National Vulnerability Database)
Vulnerability Description
RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.2, the admin router explicitly whitelists /profile/cpu and /profile/memory from the authentication layer, allowing any unauthenticated HTTP client to invoke profiling handlers without credentials. On supported builds (e.g., glibc), the handler invokes a fixed 60-second CPU profiling operation (dump_cpu_pprof_for(Duration::from_secs(60))). This may result in significant CPU resource consumption per request and can potentially lead to denial of service when abused. Additionally, the handler returns the server’s absolute filesystem path in the response body, resulting in information disclosure. 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
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
rustfs 安全漏洞
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之前版本存在安全漏洞，该漏洞源于管理路由器对性能分析端点未进行身份验证，可能导致CPU资源消耗和服务器文件系统路径泄露。
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-2026-45044

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III. Intelligence Information for CVE-2026-45044

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Vendor Advisories for CVE-2026-45044 (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-2026-45042RustFS: UploadPartCopy Does Not Enforce Destination Bucket Policy on Copy Source
CVE-2026-45040RustFS: Sensitive Information Leakage (SessionToken and SecretAccessKey) in RustFS Logs [D
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-306

V. Comments for CVE-2026-45044

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