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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.

PUBLISHED Reserved 2026-07-12 | Published 2026-07-13 | Updated 2026-07-13 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Path Traversal

Product status

0.1
affected

0.2
affected

0.3
affected

0.4
affected

0.5
affected

0.6
affected

0.7
affected

0.8
affected

0.9
affected

0.10
affected

0.11.0
affected

Timeline

2026-07-12:Advisory disclosed
2026-07-12:VulDB entry created
2026-07-12:VulDB entry last update

Credits

Mcfly_Zhang (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/377850 (VDB-377850 | makafeli n8n-workflow-builder update_node_from_file server.cjs path traversal) vdb-entry technical-description

vuldb.com/vuln/377850/cti (VDB-377850 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-15521 (CVE-2026-15521 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/854522 (Submit #854522 | makafeli n8n-workflow-builder 0.11.0 Path Traversal) third-party-advisory

github.com/makafeli/n8n-workflow-builder/issues/28 exploit issue-tracking

github.com/makafeli/n8n-workflow-builder/ product

cve.org (CVE-2026-15521)

nvd.nist.gov (CVE-2026-15521)

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