CVE-2026-23851

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 contain a logic vulnerability in the /api/file/globalCopyFiles endpoint. The function allows authenticated users to copy files from any location on the server's filesystem into the application's workspace without proper pat...

CVE-2026-23851 SiYuan Vulnerable to Arbitrary File Read via File Copy Functionality

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 contain a logic vulnerability in the /api/file/globalCopyFiles endpoint. The function allows authenticated users to copy files from any location on the server's filesystem into the application's workspace without proper pat...

SiYuan path traversal vulnerability

SiYuan is a privacy-oriented personal knowledge management system developed by SiYuan. Versions of SiYuan prior to 3.5.4 contained a path traversal vulnerability. This vulnerability stemmed from a logical flaw in the/api/file/globalCopyFiles endpoint, which lacked proper path validation. As a...