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SiYuan — Vulnerabilities & Security Advisories 215

All 215 CVE vulnerabilities found in SiYuan, with AI-generated Chinese analysis, references, and POCs.

This page serves as a vulnerability aggregation resource for the SiYuan note-taking application, focusing on common weakness classifications such as those tracked in the Common Weakness Enumeration (CWE) framework. It compiles a comprehensive list of security flaws, configuration errors, and code vulnerabilities discovered within the SiYuan ecosystem, covering incidents and advisories from the product’s inception to the present date. By organizing these records chronologically and categorically, the page allows security researchers and users to track vendor advisories, understand the specific implications of a given weakness class, and look up a product's historical vulnerability profile to assess long-term security posture. The collected data includes details on affected versions, patch releases, and the nature of the exploits, providing a transparent view of the software’s security history without relying on promotional language or selective reporting. This centralization helps mitigate information asymmetry by making security metrics accessible for independent verification and risk assessment. Users can examine how the development team has responded to different categories of bugs, from memory safety issues to authentication bypasses, to gauge the effectiveness of their remediation processes. The aim is to provide an objective, factual baseline for evaluating the trustworthiness and resilience of SiYuan against known threats, enabling stakeholders to make informed decisions regarding deployment and updates. This resource is intended for use by security auditors, IT administrators, and informed end-users who require detailed technical context rather than high-level marketing summaries.

Vendor: SiYuan

CVE ID Title CVSS Severity Published
CVE-2026-109310 SiYuan v3.1.12 before v3.8.6 Denial of Service via getDynamicIcon Template CWE-770 6.5 Medium 2026-10-12
CVE-2026-109309 SiYuan v3.7.0 before v3.8.6 Arbitrary File Read via Plugin ResponseFile.Path CWE-22 6.5 Medium 2026-10-12
CVE-2026-105205 SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo CWE-200 5.3 Medium 2026-10-04
CVE-2026-104410 SiYuan before 3.8.5 Information Disclosure via /api/export/preview CWE-862 7.5 High 2026-10-02
CVE-2026-103763 SiYuan before v3.8.5 Information Disclosure via /api/notebook/getNotebookInfo CWE-200 5.8 Medium 2026-10-02
CVE-2026-103762 SiYuan before v3.8.5 Missing Authorization in Save-Path Resolver Endpoints CWE-862 5.3 Medium 2026-10-02
CVE-2026-101092 SiYuan before v3.8.4 Information Disclosure via getCurrentAttrViewImages CWE-200 5.3 Medium 2026-09-28
CVE-2026-101091 SiYuan before v3.8.4 SQL Injection via Block Query Embed CWE-89 7.1 High 2026-09-28
CVE-2026-100645 SiYuan 3.7.0 before 3.8.4 Stored XSS via Gallery Kanban CWE-79 8.0 High 2026-09-26
CVE-2026-100646 SiYuan before v3.8.4 Authentication Bypass via Missing Origin Header CWE-346 8.1 High 2026-09-26
CVE-2026-100644 SiYuan before v3.8.4 SQL Injection via dailyNoteSavePath CWE-89 7.5 High 2026-09-26
CVE-2026-100643 SiYuan before v3.8.4 Stored XSS via Attribute View textarea CWE-79 8.0 High 2026-09-26
CVE-2026-100642 SiYuan v2.1.0 before v3.8.4 Cross-Site Request Forgery via CheckAuth CWE-346 7.6 High 2026-09-26
CVE-2026-100641 SiYuan before v3.8.4 Stored XSS via Unescaped Flashcard Content CWE-79 8.0 High 2026-09-26
CVE-2026-100639 SiYuan before v3.8.4 Cross-Site Scripting via Kramdown IAL CWE-79 8.8 High 2026-09-26
CVE-2026-100640 SiYuan before v3.8.4 Clipboard Data Disclosure via IPC CWE-200 4.7 Medium 2026-09-26
CVE-2026-100638 SiYuan before v3.8.4 Path Traversal via setNotebookIcon CWE-73 7.6 High 2026-09-26
CVE-2026-100636 SiYuan before v3.8.4 Path Traversal via exportBrowserHTML folder CWE-22 7.6 High 2026-09-26
CVE-2026-100637 SiYuan before v3.8.4 Path Traversal via checkoutRepo sessionID CWE-73 7.6 High 2026-09-26
CVE-2026-100635 SiYuan before v3.8.4 Authentication Bypass via Plaintext Session Cookie CWE-319 5.9 Medium 2026-09-26
CVE-2026-100633 SiYuan 3.8.0 through 3.8.3 Path Traversal via MCP File Operations CWE-863 6.5 Medium 2026-09-26
CVE-2026-100634 SiYuan before v3.8.4 Missing Authorization via siyuan-send-windows CWE-862 4.7 Medium 2026-09-26
CVE-2026-93923 SiYuan through 3.8.4 Stored XSS via Heading Style Attribute CWE-79 8.8 High 2026-09-18
CVE-2026-93922 SiYuan through 3.8.4 Stored XSS via notebook names CWE-79 8.8 High 2026-09-18
CVE-2026-93921 SiYuan through 3.8.4 Access Control Bypass via Dynamic Icon Endpoint CWE-862 4.3 Medium 2026-09-18
CVE-2026-93591 SiYuan before 3.8.3 SQL Injection via unescaped tag in graph.go CWE-89 7.6 High 2026-09-18
CVE-2026-92985 SiYuan before 3.8.4 Cross-Site Scripting via Bookmark Labels CWE-79 8.8 High 2026-09-17
CVE-2026-92986 SiYuan before 3.8.4 Cross-Site Scripting via Document Title CWE-79 8.8 High 2026-09-17
CVE-2026-87815 SiYuan before v3.8.2 Path Traversal via removeRiffDeck CWE-73 8.7 High 2026-09-09
CVE-2026-87814 SiYuan before v3.8.2 Stored XSS via Asset Preview CWE-79 7.3 High 2026-09-09

All 215 known CVE vulnerabilities affecting SiYuan with full Chinese analysis, references, and POCs where available.