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Vulnerability record · CVE-2026-71312 · published 5 August 2026

CVE-2026-71312: OS command injection vulnerability

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.

8.0 CVSS 3.1 High EPSS 0.49% · top 60.3% CWE-78 · OS command injection Awaiting Analysis
8.0CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
9 Sep 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References

LinkTags
https://github.com/rclone/rclone/commit/e122fba1a57641b63a580aa26c026903a84e2e88
https://github.com/rclone/rclone/releases/tag/v1.75.0
https://github.com/rclone/rclone/security/advisories/GHSA-2m8m-jhrm-w6j2
https://github.com/rclone/rclone/security/advisories/GHSA-2m8m-jhrm-w6j2

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Source: NIST National Vulnerability Database (record CVE-2026-71312), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.