Is CVE-2026-119408 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-119408?

CVE-2026-119408 has a CVSS v3 severity of HIGH (8.8).

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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.