Is CVE-2026-116196 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-116196?

CVE-2026-116196 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-116196

Description

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.