CVE-2026-116196
Medium · 5.3CVSS
5.3
EPSS
0.1%
Published
Oct 25, 2026
CISA due date
—
The record
Rclone before v1.75.2 contains a credential exposure vulnerability in the b2 backend that leaks the live account Authorization token and SSE-C keys on HTTP redirects from --b2-download-url hosts. Attackers can observe a same-host HTTPS-to-HTTP downgrade redirect to capture the cleartext B2 token, or receive cross-host redirects disclosing SSE-C customer encryption keys.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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