{"action":"Upgrade n8n to 2.25.7 or later.","affected":[{"fixed":"2.26.2","introduced":"2.26.0"},{"fixed":"2.25.7","introduced":"0"}],"component":"n8n","cve_ids":["CVE-2026-54306"],"ecosystem":"npm","epss":0.0028,"exploited":false,"fixed_versions":["2.26.2","2.25.7"],"ghsa_id":"GHSA-2vff-hj5x-8gq7","id":"tcs_01M5KEV4MX6RQ98YK0DER9MFY4","modified_at":"2026-07-20T14:00:27.066550155Z","published_at":"2026-06-16T19:00:41Z","references":["https://osv.dev/vulnerability/GHSA-2vff-hj5x-8gq7","https://github.com/n8n-io/n8n/security/advisories/GHSA-2vff-hj5x-8gq7","https://nvd.nist.gov/vuln/detail/CVE-2026-54306","https://github.com/n8n-io/n8n"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-2vff-hj5x-8gq7","url":"https://osv.dev/vulnerability/GHSA-2vff-hj5x-8gq7"}],"summary":"n8n: Prototype Pollution enables confused-deputy execution via public webhooks"}