# CVE-2025-67488: GO-2025-4221 - SiYuan: ZipSlip -> Arbitrary File Overwrite -> RCE in github.com/siyuan-note/siyuan/kernel

Source: https://junglewise.ai/threats/cve-2025-67488-siyuan-zipslip-arbitrary-file-overwrite-rce  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-09  
License: CC BY 4.0 with a link back

CVE-2025-67488 · Severity: high · CVSS 7.8 · Published 2025-12-09

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.

Technologies: [B3log Siyuan](https://junglewise.ai/threats/technologies/b3log-siyuan), [github.com/siyuan-note/siyuan/kernel (Go)](https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel). Vendors: [B3log](https://junglewise.ai/threats/vendors/b3log), [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2025-67488 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-67488 being exploited in the wild.

**How severe is CVE-2025-67488?** High severity, with a CVSS score of 7.8, published 9 December 2025.

**Which products and versions are affected?** github.com/siyuan-note/siyuan/kernel (Go) SEMVER:introduced=0, SEMVER:introduced=0,last_affected=0.0.0-20251202123337-6ef83b42c7ce.

**Is there a fix for CVE-2025-67488?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-67488?** Check whether you run B3log Siyuan or github.com/siyuan-note/siyuan/kernel (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- B3log Siyuan
- github.com/siyuan-note/siyuan/kernel (Go) SEMVER:introduced=0, SEMVER:introduced=0,last_affected=0.0.0-20251202123337-6ef83b42c7ce

## Identifiers

- CVE-2025-67488
- GHSA-gqfv-g4v7-m366
- GO-2025-4221

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- [SiYuan database backlink information disclosure via publish filter](https://junglewise.ai/threats/cve-2026-73049-siyuan-the-publish-filter-for-database-backlinks-consults-the)