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    CVE-2026-79783

    rclone before 1.74.4 fails to mask special permission bits when applying source-supplied mode metadata in the local backend, allowing attackers to set setuid/setgid bits on attacker-controlled files. When copying with metadata preservation from an untrusted remote, attackers can plant a setuid binary that escalates privileges to root if rclone runs as root, or to the service account user otherwise.

    Published:Aug 25, 2026
    Last Modified:Aug 25, 2026
    EPS:Aug 25, 2026
    EPSS Score:0.0014
    CVSS Score:3.6

    Affected Products

    Vendor
    Rclone
    Product
    Rclone

    Exploits

    No exploit reference

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    CVE-2026-88016 (CVSS 7.1) — rclone is a command-line program to sync files and directories to and from different cloud storage providers. …
    CVE-2026-88015 (CVSS 5.3) — rclone is a command-line program to sync files and directories to and from different cloud storage providers. …
    CVE-2026-88014 (CVSS 6.3) — rclone is a command-line program to sync files and directories to and from different cloud storage providers. …
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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