CVE-2026-79780 — rclone before v1.75.0 Credential Exposure via S3 Redirect
rclone before v1.75.0 fails to sanitize IBM IAM bearer tokens and SSE-C encryption keys during S3 redirect callbacks, allowing credentials to be preserved across scheme or host …
Published: 2026-08-25 · CVSS: 6.0 · CVSS 4.0
rclone before v1.75.0 fails to sanitize IBM IAM bearer tokens and SSE-C encryption keys during S3 redirect callbacks, allowing credentials to be preserved across scheme or host changes. Attackers observing network traffic from a trusted endpoint can capture reusable IBM IAM tokens on same-host HTTPS-to-HTTP downgrades or SSE-C keys on cross-origin redirects to access protected S3 objects.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7