Unauthenticated command execution in rclone rcd via inline remotes in github.com/rclone/rclone
The --rc-serve path in rclone allows unauthenticated remote instantiation, enabling unauthenticated command execution. An attacker can use inline remote backend options such as sftp ssh to run arbitrary commands as the rclone user.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-49980US | —OT elevated | — | ||
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.46.0 until 1.74.3, rclone rcd --rc-serve accepts unauthenticate… | ||||
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references
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2026-49980WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2492478WEB
- https://github.com/rclone/rclone/commit/48da1774f4999d1d46543308b9a7fe75585dbfc4FIX
- https://github.com/rclone/rclone/commit/9222ed2c5a7678de7fa620214b0858311c707a29FIX
- https://github.com/rclone/rclone/security/advisories/GHSA-qw24-gh76-8rvvADVISORY
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49980.jsonWEB
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