CVE-2026-72765

Description

n8n before 2.31.5 and before 2.32.1 contain a sandbox escape vulnerability in expression evaluation. An authenticated user with permission to create or modify workflows can craft expressions using arrow-function bodies to bypass the expression sandbox, triggering system command execution on the host running n8n. The issue is fixed in versions 2.31.5 and 2.32.1.

References

• https://github.com/n8n-io/n8n/security/advisories/GHSA-gv7g-jm28-cr3m
• https://www.vulncheck.com/advisories/n8n-before-remote-code-execution-via-expression-sandbox-escape