CVE-2026-100638

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook...

CVE-2026-100638

SiYuan versions before v3.8.4 are vulnerable to a path traversal flaw in the setNotebookIcon endpoint. Authenticated administrators can exploit this by supplying directory traversal sequences in the notebook parameter to escape the workspace data directory. This allows for the creation of arbitra...

EUVD-2026-87732

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook...

CVE-2026-100638 SiYuan before v3.8.4 Path Traversal via setNotebookIcon

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook...

CVE-2026-100638 SiYuan before v3.8.4 Path Traversal via setNotebookIcon

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook...

CVE-2026-100638 SiYuan before v3.8.4 Path Traversal via setNotebookIcon

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook...

PT-2026-99309

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.4 Description An issue exists in the 'setNotebookIcon' endpoint that allows authenticated administrators to perform path traversal, a technique used to access files and directories that are stored outside the web...

CVE-2026-100638: External Control of File Name or Path

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook...