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.
History

Thu, 03 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 03 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Description 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.
Title n8n before 2.36.2 Expression Sandbox Bypass via SpreadElement
First Time appeared N8n
N8n n8n
Weaknesses CWE-95
CPEs cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:*
Vendors & Products N8n
N8n n8n
References
Metrics cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-09-03T11:22:15.903Z

Updated: 2026-09-03T12:22:07.824Z

Reserved: 2026-09-03T11:05:09.078Z

Link: CVE-2026-85165

cve-icon Vulnrichment

Updated: 2026-09-03T12:22:00.823Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-03T13:06:23.710

Modified: 2026-09-08T20:10:30.270

Link: CVE-2026-85165

cve-icon Redhat

No data.