{"id":"CVE-2026-110849","revision":"88caec13c28d49e8a7e3d3a24e081b99","records":[{"revision":"88caec13c28d49e8a7e3d3a24e081b99","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110849","aliases":[],"title":"n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Binary-Data File Preview","description":"n8n before 1.123.83, 2.41.4, and 2.42.1 contains a stored cross-site scripting vulnerability in the file-preview modal, which re-publishes binary data as an unsandboxed same-origin blob URL. A member who uploads a crafted item can run script in the n8n origin of whoever previews it, typically the owner, and act with their session.","state":0,"publishedAt":"2026-10-14T22:52:24.876+00:00","modifiedAt":"2026-10-15T15:41:35.418+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\": \"1.123.83\"\n                        },\n                        {\n                            \"version\": \"2.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.41.4\"\n                        },\n                        {\n                            \"version\": \"2.42.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.42.1\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":7.2,"severity":"HIGH"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-29xw-66fq-4xc3","https://www.vulncheck.com/advisories/n8n-before-1.123.83-2.41.4-and-2.42.1-stored-xss-via-binary-data-file-preview"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110849","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110849","identifiers":["CVE-2026-110849"]},"retained":false,"historicalAffected":[]}],"coverage":[]}