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 <= 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 <= 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 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 <= 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 <= 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:...

GHSA-56MP-4F3V-FGJ2 SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content

SiYuan v3.6.5 and earlier versions contain a stored cross-site scripting XSS vulnerability in the Attribute View database asset cell renderer that escalates to remote code execution RCE in the Electron desktop client. This is a neighbor-bug of CVE-2026-44588: the fix for -44588 used escapeAriaLab...

CVE-2026-54068

creationtimestamp| type| source ---|---|--- 2026-07-10 20:35:17+00:00| published-proof-of-concept| https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gcm7-57gf-953c 2026-07-11 04:41:43+00:00| seen| https://gist.github.com/alon710/5b22d6c437eabc82b89ba6fa8ccee27d...

EUVD-2026-39127

SiYuan: Stored XSS to RCE via attribute-view cell rendering in genAVValueHTML...

GHSA-W7CG-WHH7-XP28 SiYuan: Stored XSS in Bazaar marketplace via package README event handlers

Summary renderPackageREADME in kernel/bazaar/readme.go renders a Bazaar package README from Markdown to HTML with the lute engine and SetSanitizetrue. The lute sanitizer is an event-handler blocklist: allowAttr rejects only attribute names present in a fixed eventAttrs map copied from the w3schoo...

EUVD-2026-39126

SiYuan: Stored XSS in Bazaar marketplace via package README event handlers...

EUVD-2026-39125

SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist...

GHSA-HVR9-72V2-FFF3 SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist

Summary SiYuan Note's kernel HTTP server unconditionally trusts all chrome-extension:// origins, granting RoleAdministrator access to every installed browser extension without any authentication. Combined with the default empty AccessAuthCode on desktop installs, any Chrome/Chromium extension --...

EUVD-2026-39124

SiYuan: Unauthenticated SQLite Data Exfiltration via Template Injection in /api/icon/getDynamicIcon...

GHSA-GCM7-57GF-953C SiYuan: Unauthenticated SQLite Data Exfiltration via Template Injection in /api/icon/getDynamicIcon

Summary The /api/icon/getDynamicIcon endpoint is explicitly excluded from authentication in SiYuan's kernel router router.go, "不需要鉴权" -- no auth needed. When called with type=8 and a valid block id parameter, this endpoint invokes RenderDynamicIconContentTemplate, which executes a Go template tha...

EUVD-2026-39123

SiYuan: Stored XSS to RCE via CSS-snippet breakout in renderSnippet...

SiYuan: Path Traversal via Double URL Encoding in /assets/*path (publish mode arbitrary file─read), Incomplete fix of CVE-2026-41894

Summary The patch for CVE-2026-41894 "Path Traversal via Double URL Encoding" sanitized the /export/ route but the identical root cause remains in the /assets/path route. In publish mode anonymous read-only HTTP endpoint, default port 6808, an unauthenticated remote attacker can read arbitrary...

EUVD-2026-39122

SiYuan: Path Traversal via Double URL Encoding in /assets/path publish mode arbitrary file─read, Incomplete fix of CVE-2026-41894...

CVE-2026-59854

SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, POST /api/file/globalCopyFiles accepts attacker-supplied absolute source paths and relies on util.IsSensitivePath in kernel/util/path.go, whose denylist misses common home-directory credential files such as...