CVE-2026-34585

SiYuan prior to version 3.6.2 is affected. A crafted IAL value inside a .sy document packaged as a .sy.zip can bypass server-side attribute escaping during Import, causing an HTML context break and stored XSS. In the Electron desktop client, this XSS can execute JavaScript with Node/Electron priv...

SiYuan: ZipSlip -> Arbitrary File Overwrite -> RCE

Summary Function importZipMd is vulnerable to ZipSlip which allows an authenticated user to overwrite files on the system. Details An authenticated user with access to the import functionality in notes is able to overwrite any file on the system, the vulnerable function is importZipMd, this can...