{"action":"Upgrade n8n to 2.37.7 or later.","affected":[{"fixed":"2.38.2","introduced":"2.38.0"},{"fixed":"2.37.7","introduced":"0"}],"component":"n8n","cve_ids":["CVE-2026-86078"],"ecosystem":"npm","epss":0.00586,"exploited":false,"fixed_versions":["2.38.2","2.37.7"],"ghsa_id":"GHSA-679f-58pq-4v2c","id":"tcs_01M5KF63YH69REW4EDPT72D7YE","modified_at":"2026-09-10T21:15:05.060140700Z","published_at":"2026-09-10T21:05:24Z","references":["https://osv.dev/vulnerability/GHSA-679f-58pq-4v2c","https://github.com/n8n-io/n8n/security/advisories/GHSA-679f-58pq-4v2c","https://nvd.nist.gov/vuln/detail/CVE-2026-86078","https://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n@2.37.7","https://github.com/n8n-io/n8n/releases/tag/n8n@2.38.2"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-679f-58pq-4v2c","url":"https://osv.dev/vulnerability/GHSA-679f-58pq-4v2c"},{"source":"nvd","source_id":"CVE-2026-86078","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86078"}],"summary":"n8n: Prototype Pollution via Workflow Structure Summary Can Lead to Denial of Service"}