What’s Vulnerable › Vulnerabilities
CVE-2026-25052: n8n Improper File Access Controls Allow Arbitrary File Read by Authenticated Users
- Severity: critical (CVSS 9.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-04 · updated 2026-06-17
- Weakness: CWE-367
Description
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.
Affected products
- n8n-io n8n: before 1.123.18; from 2.0.0 before 2.5.0 — fixed in 1.123.18, 2.5.0
How to fix
Upgrade to a fixed version: n8n-io n8n 1.123.18, 2.5.0. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-25052 or the next vulnerability affects your stack