{"action":"Upgrade n8n to 1.123.61 or later.","affected":[{"fixed":"1.123.61","introduced":"0"},{"fixed":"2.28.1","introduced":"2.28.0"},{"fixed":"2.27.4","introduced":"2.0.0-rc.0"}],"component":"n8n","cve_ids":["CVE-2026-59206"],"ecosystem":"npm","epss":0.0066,"exploited":false,"fixed_versions":["1.123.61","2.28.1","2.27.4"],"ghsa_id":"GHSA-75qm-gp28-rcq9","id":"tcs_01M5KF8VQHZKF05X92DRV5Z0ZW","modified_at":"2026-07-22T22:00:27.033462865Z","published_at":"2026-07-22T21:57:21Z","references":["https://osv.dev/vulnerability/GHSA-75qm-gp28-rcq9","https://github.com/n8n-io/n8n/security/advisories/GHSA-75qm-gp28-rcq9","https://nvd.nist.gov/vuln/detail/CVE-2026-59206","https://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4","https://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"GHSA-75qm-gp28-rcq9","url":"https://osv.dev/vulnerability/GHSA-75qm-gp28-rcq9"},{"source":"nvd","source_id":"CVE-2026-59206","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59206"}],"summary":"n8n: Prototype Pollution via Workflow Credentials Leads to Unauthenticated User and Project Enumeration"}