CVE-2026-72764

n8n's JavaScript task runner shared a single module cache across all users' Code-node executions. In affected versions (before 1.123.67, 2.31.5, and 2.32.1), a user able to run a Code node could poison a cached module and thereby alter other users' Code-node executions on the same runner, affecting their confidentiality, integrity, or availability. This is a cross-user isolation break within a single n8n instance and does not constitute a sandbox escape or remote code execution. Only multi-user instances running the JS task runner with built-in or external modules enabled are affected.

• CWE-668

• https://github.com/n8n-io/n8n/security/advisories/GHSA-9cmh-xcqm-5hqrMitigation, Vendor Advisory
• https://www.vulncheck.com/advisories/n8n-before-module-cache-poisoning-via-code-nodeThird Party Advisory

Published

Aug 11, 2026

Last Modified

Sep 18, 2026

Status

Analyzed

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