File Upload Vulnerability in n8n Workflow Automation Platform
CVE-2026-25055

7.1HIGH

Key Information:

Vendor

N8n-io

Status
N8n
Vendor
CVE Published:
4 February 2026

What is CVE-2026-25055?

The n8n Workflow Automation Platform is susceptible to a file upload vulnerability that arises when users process uploaded files and transfer them via the SSH node without proper validation of metadata. If the uploaded files are sent to remote servers without authentication, an unauthenticated attacker with knowledge of existing workflows could exploit this flaw to write files to unintended locations. This creates a potential vector for remote code execution on the affected systems. The issue has been addressed in versions 1.123.12 and 2.4.0, which now implement stricter validation measures.

Affected Version(s)

n8n < 1.123.12 < 1.123.12

n8n < 2.4.0 < 2.4.0

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-m8...
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CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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