High severity8.8NVD Advisory· Published Oct 30, 2026· Updated Oct 30, 2026
CVE-2026-119408
CVE-2026-119408
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.
Affected products
1Patches
Vulnerability mechanics
References
8- abraxaslabs.tech/research/n8n-function-vm2nvd
- github.com/n8n-io/n8n/blob/[email protected]/packages/nodes-base/nodes/Function/Function.node.tsnvd
- github.com/n8n-io/n8n/commit/ea8417e29ad6f8b981d9a04b17283d5d77f2b5bbnvd
- github.com/n8n-io/n8n/releases/tag/[email protected]nvd
- github.com/n8n-io/n8n/releases/tag/[email protected]nvd
- github.com/n8n-io/n8n/releases/tag/[email protected]nvd
- github.com/n8n-io/n8n/security/advisories/GHSA-9p7v-45m2-wxgjnvd
- 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-nodesnvd
News mentions
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