Arbitrary file upload in N8n

CVE-2025-56265

An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file.

Vulnerability class: Unrestricted File Upload

EPSS: 0.006 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • N8n — versions 1.95.3, 1.100.1, 1.101.1
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-56265?
CVE-2025-56265 is a high-severity vulnerability in N8n, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2025-09-08.
How severe is CVE-2025-56265?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-56265 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.