CVE-2026-56397 — SiYuan - Remote Code Execution via Malicious Bazaar Package Metadata and README
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.…
Published: 2026-06-21 · CVSS: 9.4 · CVSS 4.0
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 displayName, description, or README fields, exploiting Electron's nodeIntegration setting to execute OS commands.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7