7.8

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2025-67488

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

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.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2025-67488

CVE-2025-67488:

7.8

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
github.com/siyuan-note/siyuan/kernel	go	<= 0.0.0-20251202123337-6ef83b42c7ce

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability is a classic ZipSlip issue in the importZipMd function, located in kernel/api/import.go. The function is responsible for importing data from a zip archive. The vulnerability exists because the code does not validate or sanitize the file paths of the entries within the zip archive before extracting them. This allows an attacker to include path traversal sequences (../) in the file names within the archive. When the server processes this malicious archive, it can write a file to an arbitrary location on the server's file system, outside of the intended destination directory. This can be exploited to overwrite critical system files, leading to arbitrary code execution. The patch for this vulnerability introduces a check to inspect each file name for the presence of .. and skips any such files, thus preventing the path traversal attack.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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