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CVE PROGRAM SOURCE RECORD8.3 High

CVE-2026-100638

SiYuan before v3.8.4 Path Traversal via setNotebookIcon

Description

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 parameter to escape the workspace data directory and write conf.json files to arbitrary locations accessible by the kernel process.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

siyuan-note siyuan

Default version status: unaffected

  • 0 to < 3.8.4affected
  • 3.8.4unaffected
pkg:golang/github.com/siyuan-note/siyuan

References