EUVD-2026-52274

SiYuan: Cross-boundary content disclosure via getBacklinkDoc/getBackmentionDoc publish mode: reader-reachable rendered DOM of publish-forbidden docs; sibling list endpoints are filtered...

EUVD-2026-52275

SiYuan: Full-content disclosure of publish-disabled documents via getHeadingTransaction endpoints publish mode: reader-reachable rendered DOM with no publish-access check...

EUVD-2026-52279

SiYuan: Path Traversal via unvalidated avID in RenderAttributeView/AV read endpoints : reader-reachable cross-scope attribute-view disclosure...

EUVD-2026-52278

SiYuan before v3.7.3 contains a SQL injection vulnerability in the /api/filetree/searchDocs endpoint, where the caller-supplied keyword parameter is concatenated directly into SQL statements with no escaping or parameter binding. The endpoint is reachable by a publish RoleReader token, or...

CVE-2026-68586 SiYuan before v3.7.3 Content Disclosure via getBacklinkDoc

SiYuan before v3.7.3 fails to apply publish-access filters to the getBacklinkDoc and getBackmentionDoc content endpoints /api/ref/getBacklinkDoc and /api/ref/getBackmentionDoc. While the corresponding backlink list endpoints filter publish-forbidden documents, the content endpoints gated only by...

SUSE CVE-2026-40259

SiYuan is an open-source personal knowledge management system. In versions 3.6.3 and below, the /api/av/removeUnusedAttributeView endpoint is protected only by generic authentication that accepts publish-service RoleReader tokens. The handler passes a caller-controlled id directly to a model...

SUSE 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...

SUSE CVE-2026-54070

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

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 ...

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...

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-2026-5961 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...

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...

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...