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Tue, 11 Aug 2026 14:30:00 +0000
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ssvc
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Tue, 11 Aug 2026 12:30:00 +0000
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| Description | n8n before 1.123.67, 2.31.5, and 2.32.1 contains a prototype pollution vulnerability in the VM expression engine. An authenticated user able to create or edit a workflow expression can abuse the engine's array-element access to obtain a reference to a host built-in and pollute its prototype in the main n8n process (a sandbox escape), leading to a denial of service. Both self-hosted and cloud instances running the VM expression engine are affected. | |
| Title | n8n before 1.123.67 Prototype Pollution via VM Expression Engine | |
| First Time appeared |
N8n
N8n n8n |
|
| Weaknesses | CWE-1321 | |
| CPEs | cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:* | |
| Vendors & Products |
N8n
N8n n8n |
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| References |
| |
| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-08-11T14:02:48.975Z
Reserved: 2026-08-10T15:06:16.417Z
Link: CVE-2026-72769
Updated: 2026-08-11T14:02:45.983Z
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OpenCVE Enrichment
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