Description
rclone before 1.74.4 fails to strip the X-Amz-Security-Token header when an S3 redirect changes scheme from HTTPS to HTTP on the same host. Attackers can intercept plaintext HTTP traffic to capture AWS STS session tokens sent in request headers.
Metrics
CVSS 3.1 3.1/10
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:NWeakness enumeration
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
No affected versions have been published.
Timeline
- Published
- Aug 25, 2026
- Last modified
- Sep 10, 2026
- NVD status
- Awaiting Analysis