{"id":"GHSA-h9fm-xcv2-qfw3","revision":"d5b76f2d3a494c0a8f47545684773768","records":[{"revision":"d5b76f2d3a494c0a8f47545684773768","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-h9fm-xcv2-qfw3","aliases":[],"title":"Duplicate Advisory: Unauthenticated Endpoint Allows Cancellation of Any User's Active Test Webhook","description":"## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of\u00A0GHSA-33q9-f52j-gc75. This link is maintained to preserve external references.\n\n## Original Description\n\nn8n 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.","state":2,"publishedAt":"2026-07-22T12:32:17+00:00","modifiedAt":"2026-07-22T22:46:08.4922889+00:00","affected":[{"ecosystem":"npm","name":"n8n","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-33q9-f52j-gc75","https://nvd.nist.gov/vuln/detail/CVE-2026-65014","https://www.vulncheck.com/advisories/n8n-before-authentication-bypass-via-test-webhook"],"sourceUrl":"https://github.com/advisories/GHSA-h9fm-xcv2-qfw3","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-h9fm-xcv2-qfw3","identifiers":["GHSA-h9fm-xcv2-qfw3"]},"retained":false,"historicalAffected":[]}],"coverage":[]}