Duplicate Advisory: n8n: External Secrets Accessible via Workflow Expressions Outside Credentials

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-2434-3x6q-8r99. This link is maintained to preserve external references.

Original Description

n8n before 2.28.1 contains an information disclosure vulnerability where external secrets are incorrectly resolved in workflow node expressions outside credentials scope. Authenticated project editors can read plaintext external secret values by referencing them in node expressions without requiring explicit secrets access permissions.