{"action":"Upgrade n8n to 1.123.64 or later.","affected":[{"fixed":"1.123.64","introduced":"0"},{"fixed":"2.30.1","introduced":"2.30.0"},{"fixed":"2.29.8","introduced":"2.0.0-rc.0"}],"component":"n8n","cve_ids":["CVE-2026-65597"],"ecosystem":"npm","epss":0.00296,"exploited":false,"fixed_versions":["1.123.64","2.30.1","2.29.8"],"ghsa_id":"GHSA-p3rg-hrf9-w9gj","id":"tcs_01M5KG2DD75839FH2GXXYV5Y9A","modified_at":"2026-07-22T19:03:13.869641Z","published_at":"2026-07-22T17:57:14Z","references":["https://osv.dev/vulnerability/GHSA-p3rg-hrf9-w9gj","https://github.com/n8n-io/n8n/security/advisories/GHSA-p3rg-hrf9-w9gj","https://nvd.nist.gov/vuln/detail/CVE-2026-65597","https://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.64","https://github.com/n8n-io/n8n/releases/tag/n8n@2.29.8","https://github.com/n8n-io/n8n/releases/tag/n8n@2.30.1","https://www.vulncheck.com/advisories/n8n-before-dom-based-xss-via-unsandboxed-iframe"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-p3rg-hrf9-w9gj","url":"https://osv.dev/vulnerability/GHSA-p3rg-hrf9-w9gj"},{"source":"nvd","source_id":"CVE-2026-65597","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65597"}],"summary":"n8n: DOM-Based XSS via Unsandboxed iframe srcdoc in HTML Preview"}