CVE-2026-42228

GHSA-f77h-j2v7-g6mw — n8n Unauthenticated Chat Execution Hijacking CVE: CVE-2026-42228 Severity: High Affected: n8n 1.123.32 Fixed in: n8n 1.123.32 / 2.17.4 / 2.18.1 Vulnerability Summary chat-service.ts :: startSession accepts an executionId from the WebSocket query string and only checks that t...