Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection in the process that renders the Gallery or Kanban view when a malicious URL is stored in the mAsset field and used as a cover image. An attacker can execute arbitrary operating system commands under the victim's...

CVE-2026-34449

SiYuan is a personal knowledge management system. Prior to version 3.6.2, a malicious website can achieve Remote Code Execution RCE on any desktop running SiYuan by exploiting the permissive CORS policy Access-Control-Allow-Origin: + Access-Control-Allow-Private-Network: true to inject a JavaScri...

CVE-2026-34605 SiYuan: Reflected XSS via SVG namespace prefix bypass in SanitizeSVG ( getDynamicIcon, unauthenticated )

SiYuan is a personal knowledge management system. From version 3.6.0 to before version 3.6.2, the SanitizeSVG function introduced in version 3.6.0 to fix XSS in the unauthenticated /api/icon/getDynamicIcon endpoint can be bypassed by using namespace-prefixed element names such as . The Go HTML5...

CVE-2026-34585

SiYuan prior to version 3.6.2 is affected. A crafted IAL value inside a .sy document packaged as a .sy.zip can bypass server-side attribute escaping during Import, causing an HTML context break and stored XSS. In the Electron desktop client, this XSS can execute JavaScript with Node/Electron priv...

CVE-2026-34585 SiYuan: Stored XSS in imported .sy.zip content leads to arbitrary command execution

SiYuan is a personal knowledge management system. Prior to version 3.6.2, a vulnerability allows crafted block attribute values to bypass server-side attribute escaping when an HTML entity is mixed with raw special characters. An attacker can embed a malicious IAL value inside a .sy document,...

CVE-2026-34585 SiYuan: Stored XSS in imported .sy.zip content leads to arbitrary command execution

SiYuan is a personal knowledge management system. Prior to version 3.6.2, a vulnerability allows crafted block attribute values to bypass server-side attribute escaping when an HTML entity is mixed with raw special characters. An attacker can embed a malicious IAL value inside a .sy document,...

CVE-2026-34449 SiYuan: Cross-Origin RCE via Permissive CORS Policy and JavaScript Snippet Injection

SiYuan is a personal knowledge management system. Prior to version 3.6.2, a malicious website can achieve Remote Code Execution RCE on any desktop running SiYuan by exploiting the permissive CORS policy Access-Control-Allow-Origin: + Access-Control-Allow-Private-Network: true to inject a JavaScri...

CVE-2026-34449

SiYuan is a personal knowledge management system. Prior to version 3.6.2, a malicious website can achieve Remote Code Execution RCE on any desktop running SiYuan by exploiting the permissive CORS policy Access-Control-Allow-Origin: + Access-Control-Allow-Private-Network: true to inject a JavaScri...

CVE-2026-34449 SiYuan: Cross-Origin RCE via Permissive CORS Policy and JavaScript Snippet Injection

SiYuan is a personal knowledge management system. Prior to version 3.6.2, a malicious website can achieve Remote Code Execution RCE on any desktop running SiYuan by exploiting the permissive CORS policy Access-Control-Allow-Origin: + Access-Control-Allow-Private-Network: true to inject a JavaScri...

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...

CVE-2026-34448

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...

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...

CVE-2026-34453

SiYuan exposes bookmarked blocks from password-protected documents via the publish service prior to 3.6.2. In publish/read-only mode, /api/bookmark/getBookmark uses FilterBlocksByPublishAccess(nil, ...) and treats a nil context as authorized, skipping the password check and returning content from...

EUVD-2026-17683

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the publish service exposes bookmarked blocks from password-protected documents to unauthenticated visitors. In publish/read-only mode, /api/bookmark/getBookmark filters bookmark results by calling...

SiYuan 代码注入漏洞

SiYuan is a privacy-oriented personal knowledge management system developed by SiYuan OpenSource. Versions of SiYuan prior to 3.6.2 contained a code injection vulnerability. This vulnerability stemmed from unvalidated malicious URLs in the Attribute View mAsse field, which could lead to stored-xs...

PT-2026-29400

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.6.2 Description SiYuan is a personal knowledge management system. A crafted block attribute value can bypass server-side attribute escaping when an HTML entity is mixed with raw special characters. An attacker can...

PT-2026-29376

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.6.2 Description SiYuan is a personal knowledge management system susceptible to a stored cross-site scripting XSS issue. An attacker can inject a malicious URL into an Attribute View mAsse field. When a victim opens...

SiYuan 跨站脚本漏洞

SiYuan is a privacy-oriented personal knowledge management system developed by SiYuan itself. Versions of SiYuan from 3.6.0 to 3.6.2 had a cross-site scripting vulnerability. This vulnerability stemmed from the SanitizeSVG function being bypassed, allowing cross-site scripting attacks to occur...

PT-2026-29401

Name of the Vulnerable Software and Affected Versions: SiYuan versions 3.6.0 through 3.6.1 Description: SiYuan is a personal knowledge management system. The SanitizeSVG function, introduced in version 3.6.0 to address XSS in the unauthenticated /api/icon/getDynamicIcon endpoint, can be bypassed ...

SiYuan 安全漏洞

SiYuan is a privacy-oriented personal knowledge management system developed by SiYuan itself. Versions of SiYuan prior to 3.6.2 contained security vulnerabilities. These vulnerabilities stemmed from improper access control for bookmark blocks during service deployment, which could allow...