makafeli n8n-workflow-builder up to 0.11.0 update_node_from_file build/server.cjs filePath path traversal

Summaryinfo

A vulnerability was found in makafeli n8n-workflow-builder up to 0.11.0 and classified as critical. Affected by this vulnerability is an unknown functionality of the file build/server.cjs of the component update_node_from_file. The manipulation of the argument filePath results in path traversal. This vulnerability is known as CVE-2026-15521. Attacking locally is a requirement. Furthermore, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as critical, was found in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown code of the file build/server.cjs of the component update_node_from_file. The manipulation of the argument filePath with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-15521. The exploitability is told to be easy. Local access is required to approach this attack. Technical details and a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• makafeli

Name

• n8n-workflow-builder

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11.0

Website

• Product: https://github.com/makafeli/n8n-workflow-builder/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #854522: makafeli n8n-workflow-builder 0.11.0 Path Traversal (by Mcfly_Zhang)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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