{"action":"Upgrade n8n to 1.123.22 or later.","affected":[{"fixed":"1.123.22","introduced":"0"},{"fixed":"2.9.3","introduced":"2.0.0"},{"fixed":"2.10.1","introduced":"2.10.0"}],"component":"n8n","cve_ids":["CVE-2026-27493"],"ecosystem":"npm","epss":0.01773,"exploited":false,"fixed_versions":["1.123.22","2.9.3","2.10.1"],"ghsa_id":"GHSA-75g8-rv7v-32f7","id":"tcs_01M5KF8TWHPCR764C39D7SW22D","modified_at":"2026-02-28T05:13:55.174368Z","published_at":"2026-02-25T21:21:36Z","references":["https://osv.dev/vulnerability/GHSA-75g8-rv7v-32f7","https://github.com/n8n-io/n8n/security/advisories/GHSA-75g8-rv7v-32f7","https://nvd.nist.gov/vuln/detail/CVE-2026-27493","https://github.com/n8n-io/n8n/issues/19","https://github.com/n8n-io/n8n/commit/562d867483e871b0f1e31776252e23bd721df75b","https://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.22","https://github.com/n8n-io/n8n/releases/tag/n8n@2.10.1","https://github.com/n8n-io/n8n/releases/tag/n8n@2.9.3"],"severity":{"label":"critical","score":9},"sources":[{"source":"osv","source_id":"GHSA-75g8-rv7v-32f7","url":"https://osv.dev/vulnerability/GHSA-75g8-rv7v-32f7"}],"summary":"n8n has Unauthenticated Expression Evaluation via Form Node"}