{"action":"Upgrade n8n to 1.123.25 or later.","affected":[{"fixed":"2.11.2","introduced":"2.0.0-rc.0"},{"fixed":"1.123.25","introduced":"0"}],"component":"n8n","cve_ids":["CVE-2026-56358"],"ecosystem":"npm","epss":0.00243,"exploited":false,"fixed_versions":["2.11.2","1.123.25"],"ghsa_id":"GHSA-q4fm-pjq6-m63g","id":"tcs_01M5KG52YWV4H47795S5A3PGDR","modified_at":"2026-07-20T21:46:41.390583299Z","published_at":"2026-03-27T18:05:47Z","references":["https://osv.dev/vulnerability/GHSA-q4fm-pjq6-m63g","https://github.com/n8n-io/n8n/security/advisories/GHSA-q4fm-pjq6-m63g","https://nvd.nist.gov/vuln/detail/CVE-2026-56358","https://github.com/n8n-io/n8n","https://www.vulncheck.com/advisories/n8n-stored-cross-site-scripting-in-form-trigger-node"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-q4fm-pjq6-m63g","url":"https://osv.dev/vulnerability/GHSA-q4fm-pjq6-m63g"}],"summary":"n8n has a Stored XSS Vulnerability in its Form Trigger"}