CVE-2026-72763: n8n

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

n8n before 1.123.67, 2.31.5, and 2.32.1 validates credential-access only for a node's top-level credentials and not for credentials referenced inside an Execute Sub-workflow node's inline workflow JSON. A member with Editor access to a shared workflow (when workflow sharing is enabled) who knows a target credential's ID can reference that credential in the inline JSON; it passes save-time and runtime validation and resolves in the parent workflow's project context, allowing the attacker to use or exfiltrate credentials they are not permitted to access.

Affected products

• n8n n8n: before 1.123.67 (fixed in 1.123.67); from 2.31.0, before 2.31.5 (fixed in 2.31.5); version 2.32.0 only

Published 2026-08-11. Last modified 2026-09-01.