{"cve":"CVE-2026-56359","nvd":{"published":"2026-07-08T14:17:16.620","modified":"2026-10-29T19:17:22.860","status":"Analyzed","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.","cvss_v4":{"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},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"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"],"products":["n8n:n8n"],"source":"nvd","synced_at":"2026-10-29T19:44:52.144667018+00:00"},"epss":{"cve":"CVE-2026-56359","score":0.00243,"percentile":0.15476,"date":"2026-10-29"},"kev":null,"osv":[{"id":"GHSA-364x-8g5j-x2pr","url":"https://osv.dev/vulnerability/GHSA-364x-8g5j-x2pr","summary":"n8n has XSS in its Credential Management Flow","modified":"2026-07-09T04:11:37.730915752Z","packages":[{"ecosystem":"npm","name":"n8n","purl":"pkg:npm/n8n","ranges":[">=2.7.0 <2.8.0"],"fixed":["2.8.0"]},{"ecosystem":"npm","name":"n8n","purl":"pkg:npm/n8n","ranges":["<2.6.4"],"fixed":["2.6.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}