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CVE-2026-71311

6.4 · MEDIUM

rclone is a command-line program to sync files and directories to and from different cloud storage providers.

Published Aug 5, 2026CWE-93EPSS 0.39%

Overview

CVE-2026-71311 is a medium-severity vulnerability. It was published on August 5, 2026 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.0, a valid but nondefault FTP filename encoding in backend/ftp/ftp.go can restore raw CR/LF immediately before an attacker-controlled path is interpolated into the line-oriented FTP control channel, and github.com/jlaffaye/ftp formats the argument through textproto.Conn.Cmd without rejecting CR or LF, allowing a filename such as victim CRLF DELE other-secret CRLF NOOP to inject an independent authenticated FTP command when the victim copies or syncs to a more-privileged FTP destination. This issue is fixed in 1.75.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/rclone/rclone/commit/1df2b70753286c1dfe8366078cbedfdf7f96472cGitHubgithub.com/rclone/rclone/releases/tag/v1.75.0GitHubgithub.com/rclone/rclone/security/advisories/GHSA-8c48-q9wj-3w37GitHubgithub.com/rclone/rclone/security/advisories/GHSA-8c48-q9wj-3w37

How CyberStrike helps

Frequently asked questions

What is CVE-2026-71311?

CVE-2026-71311 is a medium-severity vulnerability. It was published on August 5, 2026 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2026-71311?

This vulnerability has a CVSS 3.1 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-71311?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-71311?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-71311 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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