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    CVE-2026-116196

    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.

    Published:Oct 25, 2026
    Last Modified:Oct 25, 2026
    EPS:Oct 25, 2026
    EPSS Score:0.00063
    CVSS Score:5.3

    Affected Products

    Vendor
    Rclone
    Product
    Rclone

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-116189 (CVSS 7.7) — rclone from 1.55.0 before 1.75.2 contains a signature verification bypass in stable selfupdate that trusts che…
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    CVE-2026-116187 (CVSS 6.1) — Rclone from v1.68.0 before v1.75.2 contains an authorization bypass vulnerability in serve s3 --auth-proxy tha…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High