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CVE-2026-25052

CRITICAL CVSS 4.0: 9.4 EPSS 0.02%
Updated Feb 05, 2026
N8N
Parameter Value
CVSS 9.4 (CRITICAL)
Affected Versions 2.0.0 — 2.5.0
Fixed In 1.123.18
Type CWE-367 (Time-of-check Time-of-use TOCTOU (Гонка проверки и использования))
Vendor N8N
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Атака возможна удалённо
Attack Complexity
Low
Легко эксплуатировать
Attack Requirements
None
Нет дополнительных условий
Privileges Required
Low
Нужны базовые права
User Interaction
None
Не нужно действие пользователя

Impact Assessment

Confidentiality
High
Полная утечка данных
Integrity
High
Полная модификация данных
Availability
High
Полный отказ в обслуживании

CVSS Vector v4.0

Vulnerable Products 1

n8n:n8n

Known Affected Software Configurations 2

Configuration From (including) Up to (excluding)
N8n N8n
cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
1.123.18
N8n N8n
cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
2.0.0 2.5.0