CVE-2026-119408
Dashboard / Vulnerabilities / CVE-2026-119408
Summary: n8n before 2.42.6, 2.43.3 and 3.0.1 Code Execution Outside Task Runner Isolation via Deprecated Function Nodes
Details: 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.
References: https://abraxaslabs.tech/research/n8n-function-vm2, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/119xxx/CVE-2026-119408.json, 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://nvd.nist.gov/vuln/detail/CVE-2026-119408, 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, https://github.com/n8n-io/n8n/commit/ea8417e29ad6f8b981d9a04b17283d5d77f2b5bb, https://github.com/n8n-io/n8n, https://github.com/n8n-io/n8n/blob/[email protected]/packages/nodes-base/nodes/Function/Function.node.ts#L167
Affected packages
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