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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-2026-87813 SiYuan before v3.8.2 Stored XSS via unescaped asset filenames CWE-79 7.3 High 2026-09-09
CVE-2026-87811 SiYuan before v3.8.2 Stored XSS via notebook template paths CWE-79 7.3 High 2026-09-09
CVE-2026-87812 SiYuan before v3.8.2 Stored XSS via Bazaar iconURL CWE-79 6.8 Medium 2026-09-09
CVE-2026-87810 Siyuan before v3.8.2 Information Disclosure via fullTextSearchBlock CWE-200 5.3 Medium 2026-09-09
CVE-2026-87809 Siyuan before v3.8.2 Information Disclosure via Export Preview CWE-639 6.5 Medium 2026-09-09
CVE-2026-87808 SiYuan before v3.8.2 Read-Only Boundary Bypass via fullTextSearchBlock CWE-693 4.9 Medium 2026-09-09
CVE-2026-87807 siyuan before v3.8.2 SQL Injection via fullTextSearchBlock CWE-89 7.5 High 2026-09-09
CVE-2026-86712 SiYuan before 3.8.2 Remote Code Execution via Clipboard CWE-79 8.8 High 2026-09-08
CVE-2026-86192 SiYuan before v3.8.2 Information Disclosure via Attribute-View CWE-639 6.5 Medium 2026-09-05
CVE-2026-86191 SiYuan before v3.8.2 Private Attribute View Key Enumeration CWE-639 4.3 Medium 2026-09-05
CVE-2026-85585 SiYuan before v3.8.2 Unbounded Memory Consumption via ControlConcurrency CWE-400 7.5 High 2026-09-04
CVE-2026-85584 SiYuan before v3.8.2 Denial of Service via Auth Throttle CWE-770 7.5 High 2026-09-04
CVE-2026-85582 SiYuan before v3.8.2 Unbounded Session Creation via Basic Auth CWE-770 6.5 Medium 2026-09-04
CVE-2026-85583 SiYuan before v3.8.2 Path Traversal via symlink in file API CWE-59 6.5 Medium 2026-09-04
CVE-2026-85581 SiYuan before v3.8.2 Denial of Service via unauthenticated UI-process registration CWE-770 7.5 High 2026-09-04
CVE-2026-85580 SiYuan before v3.8.2 Path Guard Bypass via Case Mismatch CWE-22 6.5 Medium 2026-09-04
CVE-2026-85579 SiYuan before v3.8.2 Information Disclosure via undoState CWE-639 4.3 Medium 2026-09-04
CVE-2026-85578 SiYuan through 3.8.1 Authorization Bypass via getFile CWE-862 6.5 Medium 2026-09-04
CVE-2026-85175 SiYuan before v3.8.2 TLS Private Key Disclosure via getFile CWE-552 8.8 High 2026-09-03
CVE-2026-85174 SiYuan before v3.8.2 API Token Exposure via Log File CWE-532 8.8 High 2026-09-03
CVE-2026-84803 SiYuan before v3.8.2 Stored XSS via incomplete asset blocklist CWE-79 9.0 Critical 2026-09-02
CVE-2026-82654 SiYuan before v3.8.1 Stored XSS via block name CWE-79 8.9 High 2026-08-30
CVE-2026-82652 SiYuan before v3.8.1 Information Disclosure via Publish Access CWE-668 5.3 Medium 2026-08-30
CVE-2026-82653 SiYuan before v3.8.1 Stored XSS via confirmDialog CWE-79 8.9 High 2026-08-30
CVE-2026-82651 SiYuan before v3.8.1 Missing Authorization via /history and /repo/diff CWE-200 4.9 Medium 2026-08-30
CVE-2026-82649 SiYuan before 3.8.1 Local Privilege Escalation via Uncontrolled Search Path CWE-427 7.0 High 2026-08-30
CVE-2026-82650 SiYuan before v3.8.1 Path Traversal via /api/template/render CWE-668 4.4 Medium 2026-08-30
CVE-2026-82234 SiYuan before v3.8.1 SSRF via DNS-Rebinding TOCTOU CWE-918 8.2 High 2026-08-28
CVE-2026-82233 SiYuan before v3.8.1 Path Traversal via asset.upload CWE-22 5.7 Medium 2026-08-28
CVE-2026-62204 SiYuan before v3.7.4 Plugin Overwrite via Bazaar Install CWE-345 6.6 Medium 2026-08-22

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