n8n is an open source workflow automation platform. Prior to versions 1.123.17 and 2.5.2, an authenticated user with permission to create or modify workflows could abuse crafted expressions in workflow parameters to trigger unintended system command execution on the host running n8n. This issue has been patched in versions 1.123.17 and 2.5.2.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 2
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
N8n N8n
cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
|
— |
1.123.17
|
|
N8n N8n
cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
|
2.0.0
|
2.5.2
|
References 3
https://github.com/n8n-io/n8n/commit/7860896909b3d42993a36297f053d2b0e633235d
security-advisories@github.com
https://github.com/n8n-io/n8n/commit/936c06cfc1ad269a89e8ef7f8ac79c104436d54b
security-advisories@github.com
https://github.com/n8n-io/n8n/security/advisories/GHSA-6cqr-8cfr-67f8
security-advisories@github.com