CVE-2026-65591
HIGH
8,9
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH
8,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Description
AI Translation Available
n8n contains a sanitizer bypass vulnerability in the legacy expression evaluator's computed-member handler. An authenticated user with workflow create or modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution as the n8n process. The legacy expression engine is the default in affected versions. Fixed in n8n 1.123.64, 2.29.8, and 2.30.1.
917
Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
IncompleteCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Potential Impacts:
Read Application Data
Execute Unauthorized Code Or Commands
Applicable Platforms
Languages:
Java
Application
N8N by N8N
Version Range Affected
From
2.0.0
(inclusive)
To
2.29.8
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
N8N by N8N
CPE Identifier
View Detailed Analysis
cpe:2.3:a:n8n:n8n:2.30.0:*:*:*:enterprise:node.js:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
N8N by N8N
Version Range Affected
To
1.123.64
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
N8N by N8N
CPE Identifier
View Detailed Analysis
cpe:2.3:a:n8n:n8n:2.30.0:*:*:*:community:node.js:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
N8N by N8N
Version Range Affected
To
1.123.64
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
N8N by N8N
Version Range Affected
From
2.0.0
(inclusive)
To
2.29.8
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/n8n-io/n8n/security/advisories/GHSA-pm35-fqvh-cq5g
https://www.vulncheck.com/advisories/n8n-before-sanitizer-bypass-remote-code-ex…