CVE-2026-65589
Published:July 22, 2026
Updated:August 04, 2026
n8n versions before 1.123.64 fail to properly mask custom HTTP header credentials in LLM sub-node execution data, writing plaintext API keys and secrets to workflow execution records. Authenticated users with access to execution data can read exposed header values and credentials that persist in the database and can be exported.
Affected Packages
n8n (NPM):
Affected version(s) =2.30.0 <2.30.1Fix Suggestion:
Update to version 2.30.1n8n (NPM):
Affected version(s) >=2.0.0-rc.0 <2.29.8Fix Suggestion:
Update to version 2.29.8n8n (NPM):
Affected version(s) >=2.0.0 <2.29.8Fix Suggestion:
Update to version 2.29.8n8n (NPM):
Affected version(s) >=0.0.1 <1.123.64Fix Suggestion:
Update to version 1.123.64Related Resources (8)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Insertion of Sensitive Information into Log File
EPSS
Base Score:
0.37