{"action":"Upgrade n8n to 1.123.76 or later.","affected":[{"fixed":"1.123.76","introduced":"0"},{"fixed":"2.38.2","introduced":"2.38.0"},{"fixed":"2.37.7","introduced":"2.0.0"}],"component":"n8n","cve_ids":["CVE-2026-86994"],"ecosystem":"npm","epss":0.00342,"exploited":false,"fixed_versions":["1.123.76","2.38.2","2.37.7"],"ghsa_id":"GHSA-65xw-2v52-jhxc","id":"tcs_01M5KF5VSA7FNPV606KT0KJVZM","modified_at":"2026-09-10T21:15:05.052590267Z","published_at":"2026-09-10T21:01:27Z","references":["https://osv.dev/vulnerability/GHSA-65xw-2v52-jhxc","https://github.com/n8n-io/n8n/security/advisories/GHSA-65xw-2v52-jhxc","https://nvd.nist.gov/vuln/detail/CVE-2026-86994","https://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.76","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"},"sources":[{"source":"osv","source_id":"GHSA-65xw-2v52-jhxc","url":"https://osv.dev/vulnerability/GHSA-65xw-2v52-jhxc"}],"summary":"n8n: Cross-User Active Workflow ID and Lifecycle Event Disclosure via Missing userId Filter"}