EUVD-2026-42263

n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization bypass in the POST /workflows/workflowId/test-runs/new endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a workflow can trigger a real...

GHSA-HV7X-3X78-GX53 n8n: Wrong OAuth Scope On Evaluations Test Run Creation Endpoint

Impact The POST /workflows/workflowId/test-runs/new endpoint authorized access using workflow:read rather than workflow:execute. An authenticated user with read-only access to a workflow could trigger a real evaluation test run, causing the workflow to execute via the internal workflow runner. Th...