rclone — Vulnerabilities & Security Advisories 21

Rclone is a command-line utility for synchronizing files to and from various cloud storage providers, serving as a core tool for data migration and backup operations. Historically, it has been susceptible to remote code execution vulnerabilities through improper input validation and insecure default configurations, along with privilege escalation flaws due to insufficient permission checks. While no major security incidents have been widely documented, the three recorded CVEs highlight risks in authentication mechanisms and insecure temporary file handling. The tool's cross-platform nature and extensive provider support increase its attack surface, particularly when used with privileged credentials or in automated deployment scenarios where misconfigurations could lead to data compromise.