BIT-rclone-2026-116196

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    BIT-rclone-2026-116196

    Published: 29 Oct 2026Last Modified: 29 Oct 2026

    Summary: Rclone before v1.75.2 B2 Credential Leak on Redirect via --b2-download-url

    Details: 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.

    References: https://github.com/rclone/rclone/security/advisories/GHSA-gpw7-77cq-9f72, https://nvd.nist.gov/vuln/detail/CVE-2026-116196, https://www.vulncheck.com/advisories/rclone-before-1.75.2-b2-credential-leak-on-redirect-via-b2-download-url

    Affected packages

    Package

    Name: rclone

    Purl: pkg:bitnami/rclone

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.75.2

    Affected versions

    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
    BIT-rclone-2026-116196 | CVE-DB