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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2026-116171

SiYuan 3.5.4 before 3.8.7 Sensitive Path Bypass via Windows Extended-Length Prefix

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Status
Published
Published
Updated
Assigning organization
VulnCheck

Description

SiYuan 3.5.4 before 3.8.7 on Windows contains a sensitive-path denylist bypass in IsSensitivePath because the Windows extended-length prefix (\\?\) survives filepath.Clean and matches no forbidden prefix. Authenticated API callers can prepend the prefix to localPath in /api/import/importStdMd to copy workspace conf files, including the API token and TLS private keys, into assets served to unauthenticated clients.

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

  • 3.5.4 to < 3.8.7affected
  • 3.8.7unaffected
pkg:golang/github.com/siyuan-note/siyuan/kernel

References