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 - 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...

CVE-2026-45147

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, POST /api/tag/getTag is registered with model.CheckAuth only, omitting both model.CheckAdminRole and model.CheckReadonly, despite the handler performing a configuration write that is normally guarded by both. Any...

CVE-2026-41421

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, SiYuan desktop renders notification messages as raw HTML inside an Electron renderer. The notification route POST /api/notification/pushMsg accepts a user-controlled msg value, forwards it through the backend broadcast...

CVE-2026-40322

SiYuan is an open-source personal knowledge management system. In versions 3.6.3 and below, Mermaid diagrams are rendered with securityLevel set to "loose", and the resulting SVG is injected into the DOM via innerHTML. This allows attacker-controlled javascript: URLs in Mermaid code blocks to...

CVE-2026-40107

SiYuan is a personal knowledge management system. Prior to 3.6.4, SiYuan configures Mermaid.js with securityLevel: "loose" and htmlLabels: true. In this mode, tags with src attributes survive Mermaid's internal DOMPurify and land in SVG blocks. The SVG is injected via innerHTML with no secondary...

CVE-2026-39846

SiYuan is a personal knowledge management system. Prior to 3.6.4, a malicious note synced to another user can trigger remote code execution in the SiYuan Electron desktop client. The root cause is that table caption content is stored without safe escaping and later unescaped into rendered HTML,...

CVE-2026-44586

SiYuan is an open-source personal knowledge management system. From 2.1.12 to before 3.7.0. SiYuan's Bazaar marketplace renders package author metadata from the public bazaar stage feed into HTML without escaping. In the desktop app this becomes stored XSS, and because SiYuan's Electron windows a...

GO-2026-4993 SiYuan: Electron Renderer RCE via decodeURIComponent-driven tooltip XSS in aria-label sink (incomplete fix for CVE-2026-34585) in github.com/siyuan-note/siyuan/kernel

SiYuan: Electron Renderer RCE via decodeURIComponent-driven tooltip XSS in aria-label sink incomplete fix for CVE-2026-34585 in github.com/siyuan-note/siyuan/kernel...

GO-2026-4992 SiYuan Affected by Stored XSS via Attribute View Name to Electron Renderer RCE in github.com/siyuan-note/siyuan/kernel

SiYuan Affected by Stored XSS via Attribute View Name to Electron Renderer RCE in github.com/siyuan-note/siyuan/kernel...

GO-2026-5001 SiYuan Bazaar marketplace renders unescaped package `name` and `version` metadata, allowing stored XSS and Electron code execution in github.com/siyuan-note/siyuan/kernel

SiYuan Bazaar marketplace renders unescaped package name and version metadata, allowing stored XSS and Electron code execution in github.com/siyuan-note/siyuan/kernel...

PT-2026-42383

SiYuan Bazaar marketplace renders unescaped package name and version metadata, allowing stored XSS and Electron code execution in github.com/siyuan-note/siyuan/kernel...

PT-2026-42377

SiYuan Affected by Stored XSS via Attribute View Name to Electron Renderer RCE in github.com/siyuan-note/siyuan/kernel...

CVE-2026-45375

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan's Bazaar community marketplace renders the name and version fields of a package's plugin.json and the equivalent theme.json / template.json / widget.json / icon.json into the Settings → Marketplace UI without HT...

CVE-2026-44588

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, he tooltip mouseover handler in app/src/block/popover.ts reads aria-label via getAttribute and passes it through decodeURIComponent before assigning to messageElement.innerHTML in app/src/dialog/tooltip.ts:41. The...

CVE-2026-45371

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan publish-mode Reader can mutate Conf and SQL index via 8 ungated APIs. POST /api/graph/getGraph, POST /api/graph/getLocalGraph, POST /api/sync/setSyncInterval, POST /api/storage/updateRecentDocViewTime, POST...

CVE-2026-44670

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, the kernel stores Attribute View AV / database names without any HTML escape, then a render template uses raw strings.ReplaceAlltpl, "$avName", nodeAvName to embed the name in HTML before pushing to all clients via...

CVE-2026-45375

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan's Bazaar community marketplace renders the name and version fields of a package's plugin.json and the equivalent theme.json / template.json / widget.json / icon.json into the Settings → Marketplace UI without HT...