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CVE PROGRAM SOURCE RECORD9.4 Critical

CVE-2026-77086

SiYuan before v3.7.4 Path Traversal via packageName

Description

SiYuan before v3.7.4 fails to validate the packageName parameter in Bazaar install and uninstall endpoints, allowing authenticated administrators to perform path traversal via directory traversal sequences. Attackers with admin access can write arbitrary files to any location via install operations or recursively delete directories via uninstall operations by supplying crafted packageName values.

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 < 3.7.4affected
  • 3.7.4unaffected
pkg:golang/github.com/siyuan-note/siyuan/kernel

References