CVE-2026-71311 - rclone: FTP Command Arguments Permit CRLF Injection When Custom Encoding Preserves Newlines
CVE ID :CVE-2026-71311
Published : Aug. 5, 2026, 9:16 p.m. | 1 hour, 38 minutes ago
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.
Severity: 6.4 | MEDIUM
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Published : Aug. 5, 2026, 9:16 p.m. | 1 hour, 38 minutes ago
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.
Severity: 6.4 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...