GHSA-35JJ-42HP-8GMQ n8n: Anonymous Approval-Gate Bypass via Reused resumeToken over the Chat WebSocket

Impact The /chat WebSocket route resumed a paused execution from a resume token without checking that the node being resumed was a chat node. n8n hands that token to anonymous form submitters, so a party with no account could present it on the chat route and release an execution waiting at an...

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

Impact The /chat WebSocket route resumed a paused execution from a resume token without checking that the node being resumed was a chat node. n8n hands that token to anonymous form submitters, so a party with no account could present it on the chat route and release an execution waiting at an...

NPM: n8n: Anonymous Approval-Gate Bypass via Reused resumeToken over the Chat WebSocket

NPM: n8n: Anonymous Approval-Gate Bypass via Reused resumeToken over the Chat WebSocket vulnerability discovered by ? in WordPress Npm n8n versions 2.37.7...

CVE-2026-86077

n8n , an open-source workflow automation platform, contained an authorization flaw in the /chat WebSocket route (specifically the canResumeOverChat function in chat-execution-manager.ts). Prior to versions 2.37.7 and 2.38.2 , a resumeToken issued to an anonymous form submitter could be replayed o...

Exploit for Missing Authorization in N8N

GHSA-f77h-j2v7-g6mw — n8n Unauthenticated Chat Execution Hijac...

CVE-2026-42228

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the /chat WebSocket endpoint used by the Chat Trigger node's Hosted Chat feature did not verify that an incoming connection was authorized to interact with the target execution. An unauthenticated...

CVE-2026-42228 n8n: Hijacking of Unauthenticated Chat Execution

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the /chat WebSocket endpoint used by the Chat Trigger node's Hosted Chat feature did not verify that an incoming connection was authorized to interact with the target execution. An unauthenticated...

CVE-2026-42228

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the /chat WebSocket endpoint used by the Chat Trigger node's Hosted Chat feature did not verify that an incoming connection was authorized to interact with the target execution. An unauthenticated...