CVE-2026-33476

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the Siyuan kernel exposes an unauthenticated file-serving endpoint under /appearance/filepath. Due to improper path sanitization, attackers can perform directory traversal and read arbitrary files accessible to the server...

CVE-2026-25539 SiYuan has Arbitrary File Write via /api/file/copyFile leading to RCE

SiYuan is a personal knowledge management system. Prior to version 3.5.5, the /api/file/copyFile endpoint does not validate the dest parameter, allowing authenticated users to write files to arbitrary locations on the filesystem. This can lead to Remote Code Execution RCE by writing to sensitive...

CVE-2024-55658

SiYuan is a personal knowledge management system. Prior to version 3.1.16, SiYuan's /api/export/exportResources endpoint is vulnerable to arbitary file read via path traversal. It is possible to manipulate the paths parameter to access and download arbitrary files from the host system by traversi...