SiYuan up to 0.0.0-20251202123337-6ef83b42c7ce importZipMd path traversal

Summaryinfo

A vulnerability was found in SiYuan up to 0.0.0-20251202123337-6ef83b42c7ce and classified as critical. The affected element is the function importZipMd. Such manipulation leads to path traversal. This vulnerability is listed as CVE-2025-67488. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in SiYuan up to 0.0.0-20251202123337-6ef83b42c7ce. It has been rated as critical. Affected by this issue is the function importZipMd. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-67488 since 12/08/2025. The exploitation is known to be easy. The attack needs to be approached locally. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

• SiYuan

Version

• 0.0.0-20251202123337-6ef83b42c7ce

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CPE 2.2info

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