What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-09 · updated 2026-10-14
• Weakness: CWE-22

Description

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 products

• siyuan-note siyuan: before 3.5.0 — fixed in 3.5.0

How to fix

Upgrade to a fixed version: siyuan-note siyuan 3.5.0. Check the vendor advisory for mitigations.

References

• https://github.com/siyuan-note/siyuan/blob/dae6158860cc704e353454565c96e874278c6f47/kernel/api/import.go#L190
• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gqfv-g4v7-m366

Get alerted when CVE-2025-67488 or the next vulnerability affects your stack