Rclone: Unauthenticated command execution in `rclone rcd --rc-serve` via inline remote instantiation, bypassing CVE-2026-41179 fix
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 unauthenticated GET and HEAD requests to paths of the form: /[remote:path]/object. The remote value is parsed from the URL and passed to normal backend initialization. Inline remote configuration can set backend options that execute local commands during initialization. As a result, a single unauthenticated GET or HEAD request can execute a command as the rclone process user. This vulnerability is fixed in 1.74.3.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-49980US | —OT erhöht | — | ||
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… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/security/cve/CVE-2026-49980ADVISORY
- https://bugzilla.redhat.com/show_bug.cgi?id=2492478ADVISORY
- https://github.com/rclone/rclone/security/advisories/GHSA-qw24-gh76-8rvvADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-49980WEB
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49980.jsonADVISORY
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