MEDIUM 6.0 NVD
CVE-2026-79780
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 acros
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.
References
- https://github.com/rclone/rclone/security/advisories/GHSA-8mxv-9xhp-86h4
- https://www.vulncheck.com/advisories/rclone-before-credential-exposure-via-s3-redirect
This medium severity vulnerability with a CVSS score of 6.0 was published on 2026-08-25 via NVD.
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