CVE-2026-73044 SiYuan before v3.7.4 Stored Cross-Site Scripting via Column Width

SiYuan versions before v3.7.4 fail to validate or escape table column width values, allowing stored cross-site scripting injection into style attributes. Attackers can inject malicious payloads through the setAttrViewColWidth API that break out of style attributes and inject event handlers on eve...

CVE-2026-73044

SiYuan versions before v3.7.4 fail to validate or escape table column width values, allowing stored cross-site scripting injection into style attributes. Attackers can inject malicious payloads through the setAttrViewColWidth API that break out of style attributes and inject event handlers on eve...

CVE-2026-73044

SiYuan before v3.7.4 is affected: it fails to validate/escape table column width values, enabling stored XSS via style attributes. Attackers can use the setAttrViewColWidth API to break out of style attributes and inject event handlers on every table cell, enabling arbitrary code execution in the...

CVE-2026-73043

SiYuan versions before v3.7.4 contain a remote code execution vulnerability in the Template calculation operator, which renders user-authored Go templates and stores output verbatim without sanitization. Attackers can inject malicious HTML and JavaScript into template calculations that execute in...

CVE-2026-73043

SiYuan before v3.7.4 has a remote code execution vulnerability in the Template calculation operator. It renders user-authored Go templates and stores output verbatim without sanitization, permitting injection of malicious HTML/JavaScript that executes in the desktop client renderer with Node inte...

CVE-2026-73043 SiYuan before v3.7.4 Remote Code Execution via Template Calculation

SiYuan versions before v3.7.4 contain a remote code execution vulnerability in the Template calculation operator, which renders user-authored Go templates and stores output verbatim without sanitization. Attackers can inject malicious HTML and JavaScript into template calculations that execute in...

CVE-2026-73052: Improper Neutralization of Input During Web Page Generation

SiYuan before v3.7.4 stores attribute-view field names without HTML escaping and interpolates them directly into option elements via innerHTML in the sort menu. Attackers can inject markup by renaming a database field to execute arbitrary JavaScript when users open the sort menu, with Node...

CVE-2026-73043: Improper Neutralization of Input During Web Page Generation

SiYuan versions before v3.7.4 contain a remote code execution vulnerability in the Template calculation operator, which renders user-authored Go templates and stores output verbatim without sanitization. Attackers can inject malicious HTML and JavaScript into template calculations that execute in...

CVE-2026-73053: Improper Neutralization of Input During Web Page Generation

SiYuan versions before v3.7.4 contain a cross-site scripting vulnerability in the unicode2Emoji function that fails to sanitize codepoint branch output. Attackers can craft document icons with hex-encoded markup that executes in the renderer with Node integration enabled, achieving arbitrary code...

CVE-2026-73044: Improper Neutralization of Input During Web Page Generation

SiYuan versions before v3.7.4 fail to validate or escape table column width values, allowing stored cross-site scripting injection into style attributes. Attackers can inject malicious payloads through the setAttrViewColWidth API that break out of style attributes and inject event handlers on eve...

PT-2026-73051

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description Stored cross-site scripting is possible due to a failure to validate or escape table column width values, which allows injection into style attributes. An attacker can use the 'setAttrViewColWidth' AP...

PT-2026-73057

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description A cross-site scripting issue exists in the unicode2Emoji function due to a failure to sanitize codepoint branch output. This allows attackers to create document icons containing hex-encoded markup. Wh...

PT-2026-73056

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description Stored Cross-Site Scripting XSS occurs because attribute-view field names are stored without HTML escaping and interpolated directly into option elements using innerHTML within the sort menu. An...

PT-2026-73050

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description A remote code execution issue exists in the Template calculation operator. The software renders user-authored Go templates and stores the output without sanitization. This allows attackers to inject...

CVE-2026-70601 Electron: Context isolation bypass via Function.prototype.bind hijack

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.9, 40.9.2, 41.2.2, and 42.0.0-beta.5, apps that expose Promise-returning functions to web content via contextBridge may be vulnerable to a context isolation bypass. Untrusted web...

CVE-2026-70601 Electron: Context isolation bypass via Function.prototype.bind hijack

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.9, 40.9.2, 41.2.2, and 42.0.0-beta.5, apps that expose Promise-returning functions to web content via contextBridge may be vulnerable to a context isolation bypass. Untrusted web...

SUSE 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...

SUSE 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,...

SUSE CVE-2026-54067

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, CSS snippet body containing breaks out of its surrounding tag when renderSnippet interpolates it via insertAdjacentHTML. A payload like runs arbitrary JavaScript in the renderer. On Electron desktop builds the renderer...

CVE-2026-66012 SiYuan before v3.7.2 Unauthenticated Administrator Takeover via MCP

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...