CVE-2026-119408
High 8.8
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.
Metrics
- CVSS 3.1
-
8.8 (HIGH)
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
8.7 (HIGH)
Score source: CNA
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% (percentile: 50) as of 1 November 2026
- CWE
- CWE-653
References
- https://abraxaslabs.tech/research/n8n-function-vm2
- https://github.com/n8n-io/n8n
- https://github.com/n8n-io/n8n/blob/[email protected]/packages/nodes-base/nodes/Functio…
- https://github.com/n8n-io/n8n/commit/ea8417e29ad6f8b981d9a04b17283d5d77f2b5bb
- 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://www.vulncheck.com/advisories/n8n-before-2.42.6-2.43.3-and-3.0.1-code-ex…