Security Advisory

CVE-2026-65014

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-22 11:21:37

Last updated 2026-07-22 12:26:12

Assigner VulnCheck

CVSS score 6.3

State PUBLISHED

Description

n8n before 2.28.0 (and before 2.27.4 on the 2.27.x branch) registers the DELETE /${restEndpoint}/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. The impact is limited to disrupting in-progress test sessions; production webhooks, persistent workflow state, and stored data are not affected.

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