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CVE-2026-71312— rclone: PowerShell Smart-Quote Filename Injection Enables SFTP Server-Side Command Execution

Quick assessment

Affected
rclone rclone
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Rclone是Rclone团队开源的一个支持多协议的数据同步工具。 Rclone 1.75.0之前版本存在命令注入漏洞，该漏洞源于在backend/sftp/sftp.go中将远程SFTP路径插入PowerShell哈希命令时转义不完整，允许攻击者通过特制文件名注入PowerShell语句，并以受害SSH账户执行。

CVSS 8.0 · High EPSS 0.49% · P41

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
rclone rclone < 1.75.0 affected
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I. Basic Information for CVE-2026-71312

Vulnerability Information
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Vulnerability Title
rclone: PowerShell Smart-Quote Filename Injection Enables SFTP Server-Side Command Execution
Source: CVE Program / CVE List V5
Vulnerability Description
rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to v1.75.0, rclone interpolates remote SFTP paths into PowerShell hash commands in backend/sftp/sftp.go, and quoteOrEscapeShellPath escapes only ASCII apostrophe even though PowerShell treats U+2018, U+2019, U+201A, and U+201B as single-quote delimiters, allowing an attacker-controlled filename to terminate the intended path literal and append PowerShell statements that execute as the victim SSH account when server-side hashing is invoked. This issue is fixed in v1.75.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Rclone 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rclone是Rclone团队开源的一个支持多协议的数据同步工具。 Rclone 1.75.0之前版本存在命令注入漏洞，该漏洞源于在backend/sftp/sftp.go中将远程SFTP路径插入PowerShell哈希命令时转义不完整，允许攻击者通过特制文件名注入PowerShell语句，并以受害SSH账户执行。
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
rclone rclone < 1.75.0 -

II. Public POCs for CVE-2026-71312

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 11804 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-71312

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Patches & Fixes for CVE-2026-71312 (1)

Vendor Advisories for CVE-2026-71312 (1)

Vendor Pages for CVE-2026-71312 (1)

Same Patch Batch · rclone · 2026-08-05 · 5 CVEs total

CVE-2026-71309 8.6 HIGH rclone: Incomplete path validation allows backend root escape in serve restic
CVE-2026-71313 6.9 MEDIUM rclone: Local Encoding Path Traversal
CVE-2026-71311 6.4 MEDIUM rclone: FTP Command Arguments Permit CRLF Injection When Custom Encoding Preserves Newline
CVE-2026-71310 5.9 MEDIUM rclone: Unbounded HTTP CONNECT Response Headers Can Exhaust rclone Memory

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-71312

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