Missing Authentication for Critical Function Affecting github.com/rclone/rclone/fs/operations package, versions <1.73.5


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
8.59% (95th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMRCLONERCLONEFSOPERATIONS-16189089
  • published24 Apr 2026
  • disclosed23 Apr 2026
  • credit0wnerDied

Introduced: 23 Apr 2026

CVE-2026-41179  (opens in a new tab)
CWE-306  (opens in a new tab)

How to fix?

Upgrade github.com/rclone/rclone/fs/operations to version 1.73.5 or higher.

Overview

Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the operations/fsinfo endpoint in the RC server process. An attacker can execute arbitrary local commands by sending crafted requests to an exposed RC server that is running without authentication. This is only exploitable if the RC server is started with the rclone rcd command or the --rc flag and is deployed without any required authentication.

CVSS Base Scores

version 4.0
version 3.1