Origin Validation Error Affecting rclone package, versions <0:1.55.1-1.amzn2.0.11


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.44% (36th percentile)

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  • Snyk IDSNYK-AMZN2-RCLONE-20244505
  • published29 Sept 2026
  • disclosed28 Aug 2026

Introduced: 28 Aug 2026

CVE-2026-56854  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 rclone to version 0:1.55.1-1.amzn2.0.11 or higher.
This issue was patched in ALAS2-2026-3947.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rclone package and not the rclone package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

The source-address critical option in the Permissions returned by an authentication callback was only enforced for the PublicKeyCallback and VerifiedPublicKeyCallback paths, extending the fix for CVE-2026-46595. Permissions returned by the PasswordCallback, KeyboardInteractiveCallback, NoClientAuthCallback, and GSSAPIWithMICConfig.AllowLogin callbacks were not validated against the client's remote address, so a source-address restriction set by those callbacks was silently ignored. The check is now applied to the Permissions returned by any authentication callback.

CVSS Base Scores

version 3.1