CVE-2026-79780

mediumCVSS 5.3covered by 1 sourcefirst seen 2026-08-25

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.

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Advisory coverage (1)

mediumCVE-2026-79780: rclone before v1.75.0 fails to sanitize IBM IAM bearer tokens and SSE-C encryption keys during…nvd · 2026-08-25

External references

NVD record for CVE-2026-79780

CVE.org record

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