CVE-2026-49980: Rclone Unauthenticated Inline Remote Rce

Unrestricted inline remote instantiation in rclone's server allows unauthenticated attackers to execute arbitrary commands by supplying crafted backend connection strings. Validate user-provided backend configuration strings against the active authentication context using 'checkServeRemote()' before calling 'cache.Get()'.

Provally CuratedPublic repositoryHighMedium confidenceVerifiedApache-2.0Go
greprules fetch cve-2026-49980-rclone-unauthenticated-inline-remote-rce --engine opengrep

Description

Unrestricted inline remote instantiation in rclone's server allows unauthenticated attackers to execute arbitrary commands by supplying crafted backend connection strings. Validate user-provided backend configuration strings against the active authentication context using 'checkServeRemote()' before calling 'cache.Get()'.