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CVE-2026-41179— RClone: Unauthenticated operations/fsinfo allows attacker-controlled backend instantiation and local command execution

EPSS 9.60% · P93
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I. Basic Information for CVE-2026-41179

Vulnerability Information
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Vulnerability Title
RClone: Unauthenticated operations/fsinfo allows attacker-controlled backend instantiation and local 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. Starting in version 1.48.0 and prior to version 1.73.5, the RC endpoint `operations/fsinfo` is exposed without `AuthRequired: true` and accepts attacker-controlled `fs` input. Because `rc.GetFs(...)` supports inline backend definitions, an unauthenticated attacker can instantiate an attacker-controlled backend on demand. For the WebDAV backend, `bearer_token_command` is executed during backend initialization, making single-request unauthenticated local command execution possible on reachable RC deployments without global HTTP authentication. Version 1.73.5 patches the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Rclone 操作系统命令注入漏洞
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 1.48.0版本至1.73.5之前版本存在操作系统命令注入漏洞，该漏洞源于RC端点operations/fsinfo未设置AuthRequired且接受
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 >= 1.48.0, < 1.73.5 -

II. Public POCs for CVE-2026-41179

#POC DescriptionSource LinkShenlong Link
1Rclone >= 1.48.0 and < 1.73.5 contains an unauthenticated local command execution caused by unauthenticated access to the RC endpoint operations/fsinfo with attacker-controlled fs input, letting unauthenticated attackers execute local commands, exploit requires reachable RC deployment without global HTTP authentication. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-41179.yamlPOC Details
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III. Intelligence Information for CVE-2026-41179

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IV. Related Vulnerabilities

Same product: rclone
Same vendor: rclone
Same weakness: CWE-78

V. Comments for CVE-2026-41179

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