Description

n8n before 2.42.6, 2.43.x before 2.43.3, and 3.x before 3.0.1 contains a remote code execution vulnerability via deprecated Function, Function Item, and LangChain Code nodes running outside task runner isolation. Authenticated users who can create, modify, or import workflows naming these hidden node types can execute JavaScript in the n8n main process.

Related CPE's

Could not find any relations

References

https://abraxaslabs.tech/research/n8n-function-vm2

https://github.com/n8n-io/n8n

https://github.com/n8n-io/n8n/blob/[email protected]/packages/nodes-base/nodes/Function/Function.node.ts#L167

https://github.com/n8n-io/n8n/commit/ea8417e29ad6f8b981d9a04b17283d5d77f2b5bb

https://github.com/n8n-io/n8n/releases/tag/[email protected]

https://github.com/n8n-io/n8n/releases/tag/[email protected]

https://github.com/n8n-io/n8n/releases/tag/[email protected]

https://github.com/n8n-io/n8n/security/advisories/GHSA-9p7v-45m2-wxgj

https://www.vulncheck.com/advisories/n8n-before-2.42.6-2.43.3-and-3.0.1-code-execution-outside-task-runner-isolation-via-deprecated-function-nodes

Weaknesses

[email protected]

Primary
CWE-653

CVSS impact metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 · High

Information

Source identifier

[email protected]

Vulnerability status

Deferred

Published

2026-10-30T12:16:37.283Z

2 hours ago

Last modified

2026-10-30T12:16:37.413Z

2 hours ago