{"id":"EUVD-2026-47630","revision":null,"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":[]},{"revision":"800628236085408496ac6c9417f177a6","observedAt":"2026-11-05T12:48:55.869+00:00","statement":{"source":"euvd","id":"EUVD-2026-47630","aliases":["CVE-2026-65014","GHSA-h9fm-xcv2-qfw3","GHSA-33q9-f52j-gc75"],"title":"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 c…","description":"n8n before 2.28.0 (and before 2.27.4 on the 2.27.x branch) registers the DELETE /${restEndpoint}/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. The impact is limited to disrupting in-progress test sessions; production webhooks, persistent workflow state, and stored data are not affected.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.3,"severity":null}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-33q9-f52j-gc75","https://www.vulncheck.com/advisories/n8n-before-authentication-bypass-via-test-webhook"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-47630","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 22, 2026, 11:21:37 AM","dateUpdated":"Oct 29, 2026, 9:16:19 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-47630","identifiers":["EUVD-2026-47630","CVE-2026-65014","GHSA-h9fm-xcv2-qfw3","GHSA-33q9-f52j-gc75"]},"retained":false,"historicalAffected":[]},{"revision":"31496856297e4a1dbc0b16a5ca8d99c4","observedAt":"2026-10-31T18:05:00.018+00:00","statement":{"source":"nvd","id":"CVE-2026-65014","aliases":[],"title":"n8n before 2.28.0 (and before 2.27.4 on the 2.27.x branch) registers the DELETE /${restEndpoint}/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to c…","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":"2026-07-22T12:18:18.453+00:00","modifiedAt":"2026-10-29T21:17:29.45+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","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":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3,"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://nvd.nist.gov/vuln/detail/CVE-2026-65014","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-306"],"productCriteria":["cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*","cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*"],"sourceDates":{"published":"2026-07-22T12:18:18.453","lastModified":"2026-10-29T21:17:29.450"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-65014","identifiers":["CVE-2026-65014"]},"retained":false,"historicalAffected":[]},{"revision":"122840e308ed45a49adce7d7b93f4a56","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-33q9-f52j-gc75","aliases":["CVE-2026-65014"],"title":"n8n: Unauthenticated Endpoint Allows Cancellation of Any User's Active Test Webhook","description":"## Impact\nThe `DELETE /${restEndpoint}/test-webhook/:id` route is registered before the authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. \n\nThe impact is limited to disrupting in-progress test sessions. Production webhooks, persistent workflow state, and stored data are not affected.\n\n## Patches\nUsers should upgrade to the patched version once available to remediate the vulnerability.\n\n## Workarounds\nIf upgrading is not immediately possible, administrators should consider the following temporary mitigations:\n- Restrict network access to the n8n instance to fully trusted users only.\n- Place the n8n instance behind a reverse proxy or firewall that requires authentication before reaching the REST API.\n\nThese workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.","state":0,"publishedAt":"2026-07-22T22:36:10+00:00","modifiedAt":"2026-07-22T22:56:43.824898+00:00","affected":[{"ecosystem":"npm","name":"n8n","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2.27.4"}]}],"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","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://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n@2.27.4","https://github.com/n8n-io/n8n/releases/tag/n8n@2.28.0","https://www.vulncheck.com/advisories/n8n-before-authentication-bypass-via-test-webhook"],"sourceUrl":"https://github.com/advisories/GHSA-33q9-f52j-gc75","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-33q9-f52j-gc75","identifiers":["GHSA-33q9-f52j-gc75","CVE-2026-65014"]},"retained":false,"historicalAffected":[]},{"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":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-07T01:26:54.7341767+00:00","complete":true,"records":1769,"lastAttemptAt":"2026-11-07T01:26:54.7341767+00:00","lastSuccessAt":"2026-11-07T01:26:54.8876863+00:00","error":null,"lastVerifiedAt":"2026-11-07T01:26:54.8876872+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-e3f76855f3f449c8c0427e4ebd06d00838fa519af10fe158fc0ca4a62af0718a-340a45d9017d4f9de046b855ad9d1afbc5c699f0e6a7003981ff3a54ebedd5b3","complete":true,"records":420470,"lastAttemptAt":"2026-11-07T01:26:54.2134599+00:00","lastSuccessAt":"2026-11-06T23:27:15.9170833+00:00","error":"InvalidOperationException","lastVerifiedAt":"2026-11-07T00:26:54.2874398+00:00","snapshotPublishedAt":"2026-11-06T23:24:11+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-1e21f19531e44b2e94a04caf6ae93614","complete":true,"records":13623,"lastAttemptAt":"2026-11-07T01:38:26.744654+00:00","lastSuccessAt":"2026-11-07T01:38:26.741+00:00","error":null,"lastVerifiedAt":"2026-11-07T01:38:26.741+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13685,"expectedIdentifiers":13685,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-07T01:26:54.7341767+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-07T01:26:54.7341767+00:00","lastSuccessAt":"2026-11-07T01:26:54.8884513+00:00","error":null,"lastVerifiedAt":"2026-11-07T01:26:54.8884516+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-34343b4ea57e47c5a482c8fcf20a381e","complete":true,"records":13645,"lastAttemptAt":"2026-11-07T01:26:55.9490879+00:00","lastSuccessAt":"2026-11-07T01:26:55.938+00:00","error":null,"lastVerifiedAt":"2026-11-07T01:26:55.938+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13685,"expectedIdentifiers":13685,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-0eb4d6dde62dffacd040ad992d4fd5a65cd7d0dc5f5f4cfa8b41967fc6f9ca5f","complete":true,"records":9914,"lastAttemptAt":"2026-11-07T01:26:54.5768376+00:00","lastSuccessAt":"2026-11-06T20:10:36.6450506+00:00","error":null,"lastVerifiedAt":"2026-11-07T01:26:54.5768376+00:00","snapshotPublishedAt":"2026-11-06T20:02:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-fde804134ecdda0ddd5ff5c26ee1fff5a6fa659311f7ef2e51c6ad54964db0e2","complete":true,"records":1971,"lastAttemptAt":"2026-11-07T01:26:54.3688172+00:00","lastSuccessAt":"2026-11-06T19:03:17.0399903+00:00","error":null,"lastVerifiedAt":"2026-11-07T01:26:54.3688172+00:00","snapshotPublishedAt":"2026-11-06T18:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-335633e78a15c9cde10a6025895b5617717087fb945489ae7e15d377bacf34a9","complete":true,"records":3055,"lastAttemptAt":"2026-11-07T01:26:54.6823337+00:00","lastSuccessAt":"2026-11-06T16:03:00.7615789+00:00","error":null,"lastVerifiedAt":"2026-11-07T01:26:54.6823337+00:00","snapshotPublishedAt":"2026-11-06T16:02:48+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-a0b728bc1c5526b5429930c00621636eba8655069c176697c3080f8377619ad7","complete":true,"records":231291,"lastAttemptAt":"2026-11-07T01:26:54.4691469+00:00","lastSuccessAt":"2026-11-07T00:28:51.1983528+00:00","error":null,"lastVerifiedAt":"2026-11-07T01:26:54.4691469+00:00","snapshotPublishedAt":"2026-11-06T23:33:08+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}