SiYuan <= v3.5.9 - Cross Site Scripting

SiYuan v3.5.10 contains a reflected XSS caused by improper sanitization of javascript: href attributes allowing ASCII control characters to bypass prefix checks in SVG sanitizer, letting unauthenticated attackers execute JavaScript via /api/icon/getDynamicIcon. id: CVE-2026-31809 info: name: SiYu...

SiYuan Note <= 3.6.5 - Authentication Bypass

SiYuan Note 3.6.5 and prior is vulnerable to authentication bypass. The CheckAuth middleware unconditionally trusted all chrome-extension:// origins, granting RoleAdministrator access without token validation to any request with a spoofed Origin header. Fixed in v3.7.0. id: CVE-2026-54069 info:...

SiYuan - SQL Execution

SiYuan = v3.7.2 contains a SQL injection caused by passing client-supplied SQL statements verbatim to the main read-write database handle in /api/search/searchEmbedBlock, letting attackers with publish RoleReader token or anonymous access read and modify content, exploit requires publish RoleRead...

SiYuan <= v3.6.1 - Path Traversal

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the Siyuan kernel exposes an unauthenticated file-serving endpoint under /appearance/filepath. Due to improper path sanitization, attackers can perform directory traversal and read arbitrary files accessible to the server...

SiYuan <= v3.6.1 - Bookmark Data Disclosure

SiYuan v3.6.2 contains an information disclosure vulnerability caused by improper authorization checks in the publish service's bookmark filtering, letting unauthenticated visitors access bookmarked blocks from password-protected documents, exploit requires access to the publish service. id:...

SiYuan <= v3.5.9 - SVG Animate Element XSS

SiYuan = v3.5.9 contains a reflected XSS caused by insufficient SVG sanitization allowing SVG animation elements to inject executable JavaScript in /api/icon/getDynamicIcon endpoint, letting unauthenticated attackers execute scripts. id: CVE-2026-31807 info: name: SiYuan = v3.5.9 - SVG Animate...

SiYuan Note - Cross-Site Scripting

Unauthenticated reflected cross-site scripting XSS vulnerability in all versions of SiYuan Note containing /api/icon/getDynamicIcon with unsafe type=8 rendering logic. Attacker-controlled content is inserted directly into SVG output without proper sanitization. An attacker can execute arbitrary...

SiYuan <= 3.6.5 - Unauthenticated Path Traversal

SiYuan = 3.6.5 contains a path traversal via double URL-encoding in the /assets/ route publish mode port 6808, allowing unauthenticated attackers to read arbitrary files inside WorkspaceDir including conf/conf.json which exposes the API token and access auth code. id: CVE-2026-54066 info: name:...

SiYuan <=3.7.2 - SQL Injection

SiYuan before v3.7.3 contains a SQL injection caused by direct concatenation of the keyword parameter in /api/filetree/searchDocs endpoint, letting attackers with publish RoleReader token or unauthenticated in publish mode read and modify database content. id: CVE-2026-69085 info: name: SiYuan...

EUVD-2026-83458

SiYuan through 3.8.4 renders notebook names as raw HTML in the Daily Note picker dialog without escaping, allowing stored cross-site scripting in the Electron renderer. Attackers can create notebooks with HTML payloads in names that execute JavaScript with Node.js access when the picker opens,...

EUVD-2026-83459

SiYuan through 3.8.4 fails to escape heading style attributes when rendering outline and bookmark dock HTML, allowing stored cross-site scripting. Attackers can supply crafted notebooks or call administrative endpoints to inject malicious style values that execute in the Electron renderer with fu...

CVE-2026-93923 SiYuan through 3.8.4 Stored XSS via Heading Style Attribute

SiYuan through 3.8.4 fails to escape heading style attributes when rendering outline and bookmark dock HTML, allowing stored cross-site scripting. Attackers can supply crafted notebooks or call administrative endpoints to inject malicious style values that execute in the Electron renderer with fu...

CVE-2026-93923

SiYuan through version 3.8.4 is affected by a stored cross-site scripting (XSS) vulnerability caused by a failure to escape heading style attributes when rendering the outline and bookmark dock HTML. Attackers can inject malicious style values by supplying crafted notebooks or calling administrat...

CVE-2026-93922 SiYuan through 3.8.4 Stored XSS via notebook names

SiYuan through 3.8.4 renders notebook names as raw HTML in the Daily Note picker dialog without escaping, allowing stored cross-site scripting in the Electron renderer. Attackers can create notebooks with HTML payloads in names that execute JavaScript with Node.js access when the picker opens,...

CVE-2026-93922

SiYuan through 3.8.4 contains a stored cross-site scripting flaw in the Daily Note picker dialog , where notebook names are rendered as raw HTML without escaping. An attacker can create a notebook whose name contains an HTML/JS payload; when a victim opens the picker, the script executes inside t...

CVE-2026-93921

SiYuan (a self-hosted note-taking application) versions through 3.8.4 contain an access control bypass in the getDynamicIcon endpoint. The endpoint fails to enforce publish access control, allowing holders of read-only tokens to call it with type=8 and crafted content to extract block titles, nam...

CVE-2026-93921 SiYuan through 3.8.4 Access Control Bypass via Dynamic Icon Endpoint

SiYuan versions through 3.8.4 fail to enforce publish access control in the getDynamicIcon endpoint, allowing read-only token holders to access document metadata. Attackers can call the endpoint with type=8 and crafted content to read block titles, names, aliases, and hierarchical paths of...

CVE-2026-69084-PoC

CVE-2026-69084 / CVE-2026-69085 — SiYuan Arbitrary SQL Execution & SQLi CVE-2026-69084: Arbitrary SQL Execution via /api/search/searchEmbedBlock CVE-2026-69085: SQL Injection via /api/filetree/searchDocs CVSS 9.9 Critical each · CWE-89 · SiYuan = v3.7.2 fixed in v3.7.3 Published 2026-08-03 · no...

CVE-2026-93591

SiYuan versions before 3.8.3 contain an SQL injection vulnerability in the graph.go query2Stmt function where tag values are concatenated raw into SQL string literals without escaping single quotes. A publish-mode reader or anonymous visitor can inject SQL via inline HTML span tags in the getGrap...

EUVD-2026-82910

SiYuan versions before 3.8.3 contain an SQL injection vulnerability in the graph.go query2Stmt function where tag values are concatenated raw into SQL string literals without escaping single quotes. A publish-mode reader or anonymous visitor can inject SQL via inline HTML span tags in the getGrap...