CVE-2026-119408highCWE-653

CVE-2026-119408: high-severity vulnerability in n8n-io n8n

n8n before 2.42.6, 2.43.3 and 3.0.1 Code Execution Outside Task Runner Isolation via Deprecated Function Nodes

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7epss 0.6%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
n8n-io · n8n
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