CVE-2026-25631 MEDIUM

CVE-2026-25631: Domain allowlist bypass enables credential exfiltration

Vendor N8N-Io
Product n8n
Weakness CWE-20 · Input validation
Published February 6, 2026
Last update February 6, 2026

CVSS base score

5.3/10
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:L/VI:N/VA:N/SC:L/SI:N/SA:N

What the vulnerability does

01Description

n8n is an open source workflow automation platform. Prior to 1.121.0, there is a vulnerability in the HTTP Request node's credential domain validation allowed an authenticated attacker to send requests with credentials to unintended domains, potentially leading to credential exfiltration. This only might affect user who have credentials that use wildcard domain patterns (e.g., *.example.com) in the "Allowed domains" setting. This issue is fixed in version 1.121.0 and later.

Key dates

02Disclosure timeline

February 6, 2026 CVE published
February 6, 2026 Record updated