SiYuan Note - Cross-Site Scripting

SiYuan Note through version 3.6.1 is vulnerable to unauthenticated reflected Cross-Site Scripting XSS in the /api/icon/getDynamicIcon endpoint due to improper filtering of SVG elements with a namespace prefix such as . By using a namespaced script element, attackers can bypass the SanitizeSVG...

CVE-2026-69084

SiYuan versions = v3.7.2 expose the /api/search/searchEmbedBlock endpoint, which passes a client-supplied SQL statement verbatim to the main read-write siyuan.db handle with no single-statement, read-only, or admin restrictions. The endpoint is gated only by CheckAuth, making it reachable by the...

CVE-2026-68586

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...

CVE-2026-69085

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-2026-69084 SiYuan before v3.7.3 SQL Injection via searchEmbedBlock

SiYuan versions = v3.7.2 expose the /api/search/searchEmbedBlock endpoint, which passes a client-supplied SQL statement verbatim to the main read-write siyuan.db handle with no single-statement, read-only, or admin restrictions. The endpoint is gated only by CheckAuth, making it reachable by the...

CVE-2026-66395 SiYuan Desktop before v3.7.2 Reflected XSS to RCE via siyuan Protocol

SiYuan desktop before v3.7.2 contains a reflected cross-site scripting vulnerability in the bazaar plugin readme handler that allows attackers to execute arbitrary code by crafting a malicious siyuan:// deep link. Attackers can inject HTML payloads via the plugin name parameter that execute with...

CVE-2026-65607

SiYuan before v3.7.2 contains a path traversal vulnerability in the /export/temp/ short-circuit branch of the serveExport handler kernel/server/serve.go. Unlike the main export branch, this branch joins the raw, percent-decoded request path with util.TempDir and serves the file without the...

CVE-2026-65607

SiYuan before v3.7.2 has a path traversal vulnerability in the /export/temp/ short-circuit branch of the serveExport handler (kernel/server/serve.go). The branch concatenates the raw, percent-decoded request path with util.TempDir and serves the file without the IsSubPath or IsSensitivePath check...

CVE-2026-65605 SiYuan before v3.7.2 Stored XSS to RCE via Attribute View

SiYuan before v3.7.2 contains a stored cross-site scripting vulnerability in Attribute View database cell rendering. A Template column value is rendered as HTML via text/template without auto-escaping, and EscapeHTML is only applied when HasUnclosedHtmlTag returns true; because balanced...

CVE-2026-65605 SiYuan before v3.7.2 Stored XSS to RCE via Attribute View

SiYuan before v3.7.2 contains a stored cross-site scripting vulnerability in Attribute View database cell rendering. A Template column value is rendered as HTML via text/template without auto-escaping, and EscapeHTML is only applied when HasUnclosedHtmlTag returns true; because balanced...

CVE-2026-59853 SiYuan: Publish-mode Reader can exfiltrate private saved-search Criteria via /api/storage/getCriteria (missing publish-access filter)

SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, the /api/storage/getCriteria endpoint returns saved search criteria from data/storage/criteria.json without the publish-access filtering used by sibling storage endpoints, allowing a publish-mode Reader to read private...

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-2026-34605

SiYuan 3.6.0–3.6.1 suffer a bypass of the SanitizeSVG XSS fix on the unauthenticated /api/icon/getDynamicIcon endpoint. The Go HTML5 parser records namespace-prefixed SVG tags as x:script, allowing the tag to bypass the numeric sprite check; when served as image/svg+xml without a CSP, the browser...

CVE-2026-34448 SiYuan: Stored XSS in Attribute View gallery/kanban cover rendering allows arbitrary command execution in the desktop client

SiYuan is a personal knowledge management system. Prior to version 3.6.2, an attacker who can place a malicious URL in an Attribute View mAsse field can trigger stored XSS when a victim opens the Gallery or Kanban view with “Cover From - Asset Field” enabled. The vulnerable code accepts arbitrary...

PT-2026-29377

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.6.2 Description A security flaw exists in SiYuan that allows a malicious website to achieve Remote Code Execution RCE on a desktop system running the application. This is possible due to a permissive CORS policy...

SUSE CVE-2026-32938

SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the /api/lute/html2BlockDOM on the desktop copies local files pointed to by file:// links in pasted HTML into the workspace assets directory without validating paths against a sensitive-path list. Together with GET...

CVE-2026-33670

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the /api/file/readDir interface was used to traverse and retrieve the file names of all documents under a notebook. Version 3.6.2 patches the issue...

CVE-2026-33670 SiYuan has directory traversal within its publishing service

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the /api/file/readDir interface was used to traverse and retrieve the file names of all documents under a notebook. Version 3.6.2 patches the issue...

SUSE CVE-2026-31807

SiYuan is a personal knowledge management system. Prior to 3.5.10, SiYuan's SVG sanitizer SanitizeSVG blocks dangerous elements , , and removes on event handlers and javascript: in href attributes. However, it does NOT block SVG animation elements , which can dynamically set attributes to dangero...

SiYuan has Stored XSS to RCE via Unsanitized Bazaar Package Metadata

Stored XSS to RCE via Unsanitized Bazaar Package Metadata Summary SiYuan's Bazaar community marketplace renders package metadata fields displayName, description using template literals without HTML escaping. A malicious package author can inject arbitrary HTML/JavaScript into these fields, which...