CVE-2026-59254
Published:July 15, 2026
Updated:August 04, 2026
n8n before 2.28.1 contains an information disclosure vulnerability where external secrets are incorrectly resolved in workflow node expressions outside credentials scope. Authenticated project editors can read plaintext external secret values by referencing them in node expressions without requiring explicit secrets access permissions.
Affected Packages
n8n (NPM):
Affected version(s) >=0.0.1 <2.27.4Fix Suggestion:
Update to version 2.27.4n8n (NPM):
Affected version(s) =2.28.0 <2.28.1Fix Suggestion:
Update to version 2.28.1n8n (NPM):
Affected version(s) >=2.27.4 <2.28.1Fix Suggestion:
Update to version 2.28.1n8n (NPM):
Affected version(s) >=0.0.1 <2.27.4Fix Suggestion:
Update to version 2.27.4Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
EPSS
Base Score:
0.27