CVE-2026-56778

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an authorization bypass in the Public API execution retry endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a shared workflow can use the Public API to ret...

CVE-2026-56778

CVE-2026-56778 (n8n) : Affected versions are n8n before 2.25.7 and 2.26.x before 2.26.2. The Public API execution retry endpoint authorizes with the workflow:read scope instead of workflow:execute, allowing an authenticated user with read-only access to a shared workflow to retry executions, bypa...

CVE-2026-56776

CVE-2026-56776 affects n8n versions prior to 1.123.55, 2.25.7, and 2.26.2. The issue is an authorization bypass in POST /workflows/{workflowId}/test-runs/new where access is granted using workflow:read instead of workflow:execute, enabling an authenticated user with read-only access to trigger a ...

CVE-2026-56775

n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization vulnerability in three mutating evaluation test-run endpoints that authorize state-changing actions using the workflow:read scope instead of the action-appropriate workflow:execute scope. On instances using Advanced Permissions...

GHSA-664H-GPGQ-H6XX n8n: Wrong OAuth Scope on Evaluation Test Runs Endpoints

Impact Three mutating endpoints in the evaluation test runs controller authorized state-changing actions using workflow:read instead of the action-appropriate workflow:execute scope. An authenticated user with project:viewer role on a project could start new evaluation test runs, cancel in-flight...

PT-2026-56442

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.55 n8n versions prior to 2.25.7 n8n versions prior to 2.26.2 Description An authorization bypass exists in the Evaluations feature within the 'POST /workflows/workflowId/test-runs/new' endpoint. The system incorrect...