High severity · published Aug 5, 2026
CVE-2026-71312
rclone: PowerShell Smart-Quote Filename Injection Enables SFTP Server-Side Command Execution
8.0
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RC
rclone · rclone
< 1.75.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71312
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71312
github.com
https://github.com/rclone/rclone/commit/e122fba1a57641b63a580aa26c026903a84e2e88
github.com
https://github.com/rclone/rclone/releases/tag/v1.75.0
github.com
https://github.com/rclone/rclone/security/advisories/GHSA-2m8m-jhrm-w6j2
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