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    CVE-2026-59833

    SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, SiYuan renders note and package content to HTML through the Lute engine with sanitization enabled, but Lute's dangerous javascript scheme block does not check form action or SVG xlink:href attributes, allowing stored cross-site scripting in document export-preview and Bazaar package README render paths that can execute OS commands in the Electron desktop renderer. This issue is fixed in versions 3.7.1.

    Published:Jul 9, 2026
    Last Modified:Jul 10, 2026
    EPS:Jul 9, 2026
    EPSS Score:0.00388
    CVSS Score:8.6

    Affected Products

    Vendor
    Siyuan
    Product
    Siyuan

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-87808 (CVSS 8.7) — SiYuan versions <= 3.8.1 contain an incomplete fix for CVE-2026-32767 (GHSA-j7wh-x834-p3r7). The prior fix (co…
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    CVE-2026-86712 (CVSS 8.6) — SiYuan before 3.8.2 trusts the attacker-writable text/siyuan clipboard MIME type and skips sanitization in the…
    CVE-2026-86192 (CVSS 7.1) — SiYuan versions before v3.8.2 fail to properly filter private attribute-view cell values in the getAttributeVi…
    CVE-2026-86191 (CVSS 5.3) — SiYuan versions before v3.8.2 contain an information disclosure vulnerability in the getAttributeViewKeysByID …
    CVE-2026-85585 (CVSS 8.7) — SiYuan before v3.8.2 contains an unbounded resource consumption vulnerability in the request-concurrency middl…
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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