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CVE-2026-41176— Rclone: Unauthenticated options/set allows runtime auth bypass, leading to sensitive operations and command execution

EPSS 6.30% · P91
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I. Basic Information for CVE-2026-41176

Vulnerability Information
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Vulnerability Title
Rclone: Unauthenticated options/set allows runtime auth bypass, leading to sensitive operations and command execution
Source: NVD (National Vulnerability Database)
Vulnerability Description
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. The RC endpoint `options/set` is exposed without `AuthRequired: true`, but it can mutate global runtime configuration, including the RC option block itself. Starting in version 1.45.0 and prior to version 1.73.5, an unauthenticated attacker can set `rc.NoAuth=true`, which disables the authorization gate for many RC methods registered with `AuthRequired: true` on reachable RC servers that are started without global HTTP authentication. This can lead to unauthorized access to sensitive administrative functionality, including configuration and operational RC methods. Version 1.73.5 patches the issue.
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
Rclone 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rclone是Rclone团队的一个可以从云存储异步同步数据的软件。该软件支持 Google Drive, Amazon Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Cloudfiles, Google Cloud Storage, Yandex Files等云存储。 Rclone 1.45.0版本至1.73.5之前版本存在访问控制错误漏洞，该漏洞源于RC端点options/set未设置AuthRequired，可能导致未经身份验证
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
rclonerclone >= 1.45.0, < 1.73.5 -

II. Public POCs for CVE-2026-41176

#POC DescriptionSource LinkShenlong Link
1Rclone >= 1.45.0 and < 1.73.5 contains a broken access control vulnerability caused by unauthenticated access to the RC endpoint `options/set` allowing mutation of global runtime configuration, letting unauthenticated attackers access sensitive administrative functions, exploit requires RC server started without global HTTP authentication. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-41176.yamlPOC Details
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III. Intelligence Information for CVE-2026-41176

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IV. Related Vulnerabilities

Same product: rclone
Same vendor: rclone
Same weakness: CWE-306

V. Comments for CVE-2026-41176

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