[ CVE-2026-116196 · Published 25 Oct 2026 ]

Vulnerability in rclone

CVSS 5.3 EPSS <1%1 agency advisoryNo fix listed yet

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

BSI CERT-Bund25 Oct 2026WID-SEC-2026-4156

rclone: Multiple vulnerabilities Translated from German
CVE-2026-116187CVE-2026-116191CVE-2026-116193+7 more CVEs

[ References ]References

github.com/rclone/rclone/security/advisories/GHSA-gpw7-77cq-9f72Vendor Advisory
www.vulncheck.com/advisories/rclone-before-1.75.2-b2-credential-leak-on-redirect-via-b2…Third Party Advisory

[ Description ]Official description

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

rclone: Multiple vulnerabilities Translated from German

[ References ]References