CVE-2026-66396

SiYuan before v3.7.2 fails to escape the title-img Individual Attribute List value when rendering Gallery and Kanban cover images, allowing stored cross-site scripting via unescaped style attribute interpolation. Attackers with editor permissions can inject onload handlers that execute arbitrary...

CVE-2026-66396 SiYuan before v3.7.2 Stored XSS to RCE via title-img IAL

SiYuan before v3.7.2 fails to escape the title-img Individual Attribute List value when rendering Gallery and Kanban cover images, allowing stored cross-site scripting via unescaped style attribute interpolation. Attackers with editor permissions can inject onload handlers that execute arbitrary...

CVE-2026-66396

SiYuan before v3.7.2 has a stored XSS in the Gallery/Kanban cover rendering due to failing to escape the title-img Individual Attribute List value. The unescaped style attribute interpolation allows onload handlers injected by an editor, enabling arbitrary code execution in the Electron renderer ...

EUVD-2026-49043

SiYuan before v3.7.2 contains a missing authorization vulnerability in the POST /mcp kernel endpoint, which is gated only by a general auth check model.CheckAuth with no admin-role or read-only enforcement. This exposes 31 MCP tools, including a file tool with list/read/write/delete/rename/copy...

GO-2026-5958 SiYuan: Unauthenticated SQLite Data Exfiltration via Template Injection in /api/icon/getDynamicIcon in github.com/siyuan-note/siyuan/kernel

SiYuan: Unauthenticated SQLite Data Exfiltration via Template Injection in /api/icon/getDynamicIcon in github.com/siyuan-note/siyuan/kernel...

GO-2026-5961 SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist in github.com/siyuan-note/siyuan/kernel

SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist in github.com/siyuan-note/siyuan/kernel...

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...

EUVD-2026-39127

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

EUVD-2026-39125

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

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...

CVE-2026-59855

SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, Asset.render in app/src/asset/index.ts interpolates the unsanitized this.path value into HTML assigned to innerHTML, allowing a crafted asset link containing a double quote to break out of the src attribute, inject an...

CVE-2026-59834

SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, the block search endpoint POST /api/search/fullTextSearchBlock concatenates attacker-controlled paths values into SQL predicates used by non-SQL search modes, allowing an unauthenticated publish visitor to inject a UNI...

CVE-2026-54069 SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, 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 empt...

CVE-2026-54068

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, 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...

PT-2026-52109

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.0 Description The /api/icon/getDynamicIcon endpoint is excluded from authentication. When this endpoint is called with type=8 and a valid block id parameter, it invokes the RenderDynamicIconContentTemplate function...

EUVD-2026-38161

SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS payloads in package...

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-2026-45371

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-2026-45371

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...

EUVD-2026-30358

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...