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    CVE-2026-54706

    OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Prior to 2.6.4, OnionShare CLI/Desktop follows symbolic links in cli/onionshare_cli/web/send_base_mode.py through SendBaseModeWeb.set_file_info() and stream_individual_file(), allowing remote recipients of Share or Website mode to read local files outside the selected directory. This issue is fixed in version 2.6.4.

    Published:Jul 31, 2026
    Last Modified:Jul 31, 2026
    EPS:Jul 31, 2026
    EPSS Score:
    CVSS Score:4.8

    Affected Products

    Vendor
    Onionshare
    Product
    Onionshare

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-54707 (CVSS 5.4) — OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat …
    CVE-2022-21694 (CVSS 3.7) — OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat …
    CVE-2022-21690 (CVSS 8.7) — OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat …
    CVE-2022-21692 (CVSS 4.3) — OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat …
    CVE-2022-21689 (CVSS 7.5) — OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat …
    CVE-2022-21693 (CVSS 6.3) — OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat …
    CVE-2022-21691 (CVSS 4.3) — OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat …
    CVE-2022-21695 (CVSS 4.3) — OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat …
    CVE-2022-21688 (CVSS 7.5) — OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat …
    CVE-2022-21696 (CVSS 4.3) — OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat …

    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