CVE-2026-25052 CRITICAL

CVE-2026-25052: n8n Improper File Access Controls Allow Arbitrary File Read by Authenticated Users

Vendor N8N-Io
Product n8n
Weakness CWE-367
Published February 4, 2026
Last update February 5, 2026

CVSS base score

9.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

What the vulnerability does

01Description

n8n is an open source workflow automation platform. Prior to versions 1.123.18 and 2.5.0, a vulnerability in the file access controls allows authenticated users with permission to create or modify workflows to read sensitive files from the n8n host system. This can be exploited to obtain critical configuration data and user credentials, leading to complete account takeover of any user on the instance. This issue has been patched in versions 1.123.18 and 2.5.0.

Key dates

02Disclosure timeline

February 4, 2026 CVE published
February 5, 2026 Record updated