CVE-2026-72765 PUBLISHED

n8n before 2.32.1 Remote Code Execution via Expression Sandbox Escape

Assigner: VulnCheck
Reserved: 10.08.2026 Published: 11.08.2026 Updated: 11.08.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 8.7

Product Status

Vendor n8n-io
Product n8n
Versions Default: unaffected
  • affected from 0 to 2.32.1 (excl.)
  • Version 2.32.1 is unaffected
Vendor n8n-io
Product n8n
Versions Default: unaffected
  • affected from 0 to 2.31.5 (excl.)
  • Version 2.31.5 is unaffected

Credits

  • inaor reporter

References

Problem Types

  • Improper Control of Generation of Code ('Code Injection') CWE