rclone: Directory metadata (chmod/chown/chtimes) applied through a planted symlink in rclone local --links escapes the destination

Summary With -l/--links, rclone's local backend recreates a source .rclonelink object as a real symlink at the destination verbatim preserved by design for faithful backups. Directory-metadata application, however, does not go through the os.Root sandbox and does not use NOFOLLOW syscalls. A loca...

CVE-2026-71313

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From v1.51.0 until v1.75.0, the local backend in backend/local/local.go relies on the configurable filename encoder to prevent remote filename data from becoming operating-system path...

GHSA-945V-V9P3-V5XW rclone local `--metadata` applies attacker-controlled mode/uid - setuid binary planted from an untrusted remote

Summary When writing an object with metadata, the local backend applies the source-supplied mode, uid, and gid verbatim: it parses mode as an octal integer and passes it straight into os.Chmodo.path, os.FileModeumode, and passes uid/gid straight into os.Chown. The value is never masked to...