CVE-2026-85165
Published:September 03, 2026
Updated:September 22, 2026
n8n versions before 2.36.2 contain an expression sandbox bypass vulnerability where free identifiers in spread, computed-key, switch-case, or class-extension positions resolve against process globals. Authenticated users with workflow-edit permission can mutate host objects through expression evaluation, with changes persisting process-wide until restart.
Affected Packages
https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) =n8n@2.36.0 <n8n@2.36.2Fix Suggestion:
Update to version n8n@2.36.2https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) >=n8n@2.0.0 <n8n@2.35.4Fix Suggestion:
Update to version n8n@2.35.4n8n (NPM):
Affected version(s) >=2.0.0 <2.35.4Fix Suggestion:
Update to version 2.35.4n8n (NPM):
Affected version(s) =2.36.0 <2.36.2Fix Suggestion:
Update to version 2.36.2Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
EPSS
Base Score:
0.32