CVE Daily

CVE-2025-21609

SiYuan is self-hosted, open source personal knowledge management software. SiYua...

Critical CVSS 9.1

Overview

SiYuan is self-hosted, open source personal knowledge management software. SiYuan Note version 3.1.18 has an arbitrary file deletion vulnerability. The vulnerability exists in the `POST /api/history/getDocHistoryContent` endpoint. An attacker can craft a payload to exploit this vulnerability, resulting in the deletion of arbitrary files on the server. Commit d9887aeec1b27073bec66299a9a4181dc42969f3 fixes this vulnerability and is expected to be available in version 3.1.19.

CWE: CWE-459 Published: 2025-01-03T17:15:09.147
Risk analysis

This vulnerability is rated 🔴 CRITICAL.

  • CVSS: 9.1 (CRITICAL)
  • Detected tags: none (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

Recommended tools

Tags