What’s Vulnerable › Vulnerabilities

CVE-2026-15521: makafeli n8n-workflow-builder update_node_from_file server.cjs path traversal

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-13 · updated 2026-10-24
• Weakness: CWE-22

Description

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component update_node_from_file. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• makafeli n8n-workflow-builder: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+5)

References

• https://github.com/makafeli/n8n-workflow-builder/
• https://github.com/makafeli/n8n-workflow-builder/issues/28
• https://vuldb.com/cve/CVE-2026-15521
• https://vuldb.com/submit/854522
• https://vuldb.com/vuln/377850
• https://vuldb.com/vuln/377850/cti

Get alerted when CVE-2026-15521 or the next vulnerability affects your stack