{"id":"EUVD-2026-42257","revision":"baa674939e4a48d484daa7c1cff82f50","records":[{"revision":"baa674939e4a48d484daa7c1cff82f50","observedAt":"2026-11-03T11:08:04.852+00:00","statement":{"source":"euvd","id":"EUVD-2026-42257","aliases":["CVE-2026-56359","GHSA-c4mv-j7jv-9c8f"],"title":"n8n before 2.8.0 contains a cross-site scripting vulnerability in the credential management flow where authenticated users can inject malicious JavaScript URLs into OAuth2 credential Authorization URL fields. Attackers can craft malicious c…","description":"n8n before 2.8.0 contains a cross-site scripting vulnerability in the credential management flow where authenticated users can inject malicious JavaScript URLs into OAuth2 credential Authorization URL fields. Attackers can craft malicious credentials and trick victims into clicking the OAuth authorization button, executing arbitrary scripts in their browser session with the victim's privileges.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","score":4.8,"severity":null}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-364x-8g5j-x2pr","https://www.vulncheck.com/advisories/n8n-cross-site-scripting-in-credential-management-oauth2-authorization-url"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-42257","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 8, 2026, 1:49:02 PM","dateUpdated":"Oct 29, 2026, 9:15:48 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-2026-42257","identifiers":["EUVD-2026-42257","CVE-2026-56359","GHSA-c4mv-j7jv-9c8f"]},"retained":false,"historicalAffected":[]}],"coverage":[]}