CVE-2026-100636

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the exportBrowserHTML endpoint that allows authenticated administrators to write arbitrary HTML content to index.html outside the workspace directory. Attackers can supply a folder parameter with directory traversal sequences...

CVE-2026-100636 SiYuan before v3.8.4 Path Traversal via exportBrowserHTML folder

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the exportBrowserHTML endpoint that allows authenticated administrators to write arbitrary HTML content to index.html outside the workspace directory. Attackers can supply a folder parameter with directory traversal sequences...

EUVD-2026-87730

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the exportBrowserHTML endpoint that allows authenticated administrators to write arbitrary HTML content to index.html outside the workspace directory. Attackers can supply a folder parameter with directory traversal sequences...

CVE-2026-100636 SiYuan before v3.8.4 Path Traversal via exportBrowserHTML folder

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the exportBrowserHTML endpoint that allows authenticated administrators to write arbitrary HTML content to index.html outside the workspace directory. Attackers can supply a folder parameter with directory traversal sequences...

CVE-2026-100636

SiYuan versions before v3.8.4 are vulnerable to a path traversal vulnerability in the exportBrowserHTML endpoint. This flaw allows authenticated administrators to supply a folder parameter containing directory traversal sequences to escape the export directory. By doing so, an attacker can write ...

CVE-2026-100636: Improper Limitation of a Pathname to a Restricted Directory

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the exportBrowserHTML endpoint that allows authenticated administrators to write arbitrary HTML content to index.html outside the workspace directory. Attackers can supply a folder parameter with directory traversal sequences...

PT-2026-99307

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.4 Description A path traversal issue exists in the 'exportBrowserHTML' endpoint. Authenticated administrators can use directory traversal sequences in the folder parameter to write arbitrary HTML content to an...