{"id":"CVE-2026-103249","revision":null,"records":[{"revision":"beffc86b72204715b37ecd7225f577f4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-103249","aliases":[],"title":"n8n before 1.123.80, 2.39.6, and 2.40.1 Stored DOM XSS via Resource Locator","description":"n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a stored DOM cross-site scripting vulnerability in Resource Locator parameter dropdown link handling. Workflow authors can inject malicious script URLs that execute arbitrary JavaScript in the editor origin when other users open the node dropdown and click the external-link icon, with the payload persisting across workflow imports and shares.","state":0,"publishedAt":"2026-10-01T10:41:55.747+00:00","modifiedAt":"2026-10-01T15:03:30.143+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\": \"1.123.80\"\n                        },\n                        {\n                            \"version\": \"2.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.39.6\"\n                        },\n                        {\n                            \"version\": \"2.40.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.40.1\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","score":7.6,"severity":"HIGH"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-c2wp-6fgc-xjq4","https://www.vulncheck.com/advisories/n8n-before-1.123.80-2.39.6-and-2.40.1-stored-dom-xss-via-resource-locator"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103249","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-103249","identifiers":["CVE-2026-103249"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-12T01:04:03.8350163+00:00","complete":true,"records":1097,"lastAttemptAt":"2026-11-12T01:04:03.8350163+00:00","lastSuccessAt":"2026-11-12T01:04:03.9946093+00:00","error":null,"lastVerifiedAt":"2026-11-12T01:04:03.9946097+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. 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