CVE-2026-119408 | BDVDB-2026-398482 Detail
n8n-ion8n
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
- CWE-653 Improper Isolation or Compartmentalization
References#
- https://github.com/n8n-io/n8n/security/advisories/GHSA-9p7v-45m2-wxgj
- https://github.com/n8n-io/n8n/commit/ea8417e29ad6f8b981d9a04b17283d5d77f2b5bb
- https://github.com/n8n-io/n8n/blob/n8n@2.42.0/packages/nodes-base/nodes/Function/Function.node.ts#L167
- https://github.com/n8n-io/n8n/releases/tag/n8n@2.42.6
- https://github.com/n8n-io/n8n/releases/tag/n8n@2.43.3
- https://github.com/n8n-io/n8n/releases/tag/n8n@3.0.1
- https://abraxaslabs.tech/research/n8n-function-vm2
- https://github.com/n8n-io/n8n
- 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
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.