---
id: CVE-2025-67488
title: 'SiYuan is self-hosted, open source personal knowledge management software'
summary: >-
  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 fil…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-22
vendor: b3log
product: siyuan
affected:
  - siyuan < 3.5.0
patched:
  - siyuan 3.5.0
published: '2025-12-09'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T21:10:00.183'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-67488'
references:
  - url: >-
      https://github.com/siyuan-note/siyuan/blob/dae6158860cc704e353454565c96e874278c6f47/kernel/api/import.go#L190
    label: security-advisories@github.com
  - url: >-
      https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gqfv-g4v7-m366
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00439
epssPercentile: 0.36556
ingestedAt: '2026-10-14T21:57:04.772Z'
---

## Overview

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.

## Affected

- `siyuan < 3.5.0`

## Remediation

Upgrade past the affected range:

- `siyuan 3.5.0`