CVE-2025-21609

SiYuan is self-hosted, open source personal knowledge management software. SiYuan Note version 3.1.18 has an arbitrary file deletion vulnerability. The vulnerability exists in the POST /api/history/getDocHistoryContent endpoint. An attacker can craft a payload to exploit this vulnerability, resulti...

CVE-2024-55660

SiYuan is a personal knowledge management system. Prior to version 3.1.16, SiYuan's /api/template/renderSprig endpoint is vulnerable to Server-Side Template Injection (SSTI) through the Sprig template engine. Although the engine has limitations, it allows attackers to access environment variables. ...