CVE-2026-86077 n8n: Anonymous Approval-Gate Bypass via Reused resumeToken over the Chat WebSocket

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the /chat WebSocket route accepted a resumeToken and resumed a paused execution without checking that the target node supported chat messages. An anonymous form submitter who received that token could reuse it on the...