{"id":"CVE-2026-65014","revision":"bfe3e1ab99534cf1be774371ecba448f","records":[{"revision":"bfe3e1ab99534cf1be774371ecba448f","observedAt":"2026-10-29T22:48:55.035+00:00","statement":{"source":"cve-program","id":"CVE-2026-65014","aliases":[],"title":"n8n before 2.28.0 Authentication Bypass via test-webhook","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.","state":0,"publishedAt":"2026-07-22T11:21:37.35+00:00","modifiedAt":"2026-10-29T21:16:19.268+00:00","affected":[{"ecosystem":"Vendor product","name":"n8n","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n8n-io\",\n                    \"product\": \"n8n\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/n8n\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.27.4\"\n                        },\n                        {\n                            \"version\": \"2.27.4\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"2.28.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":6.3,"severity":"MEDIUM"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-33q9-f52j-gc75","https://www.vulncheck.com/advisories/n8n-before-authentication-bypass-via-test-webhook"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-65014","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-65014","identifiers":["CVE-2026-65014"]},"retained":false,"historicalAffected":[]}],"coverage":[]}