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.
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Affected Vendors & Products
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History
Thu, 03 Sep 2026 13:30:00 +0000
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ssvc
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Thu, 03 Sep 2026 11:30:00 +0000
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| 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 |
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| Weaknesses | CWE-95 | |
| CPEs | cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:* | |
| Vendors & Products |
N8n
N8n n8n |
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| References |
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| Metrics |
cvssV4_0
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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
Updated: 2026-09-03T12:22:00.823Z
Status : Awaiting Analysis
Published: 2026-09-03T13:06:23.710
Modified: 2026-09-08T20:10:30.270
Link: CVE-2026-85165
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