CVE-2025-67488 HIGH

CVE-2025-67488: SiYuan: ZipSlip -> Arbitrary File Overwrite -> RCE

Vendor Siyuan-Note
Product siyuan
Weakness CWE-22 · Path traversal
Published December 9, 2025
Last update December 9, 2025

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

SiYuan is self-hosted, open source personal knowledge management software. Versions 0.0.0-20251202123337-6ef83b42c7ce and below contain function importZipMd which is vulnerable to ZipSlips, allowing an authenticated user to overwrite files on the system. An authenticated user with access to the import functionality in notes is able to overwrite any file on the system, and can escalate to full code execution under some circumstances. A fix is planned for version 3.5.0.

Key dates

02Disclosure timeline

December 9, 2025 CVE published
December 9, 2025 Record updated