{"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-2026-27577"],"ecosystem":"npm","epss":0.10725,"exploited":false,"fixed_versions":["1.123.22","2.9.3","2.10.1"],"ghsa_id":"GHSA-vpcf-gvg4-6qwr","id":"tcs_01M5KGCHZMCPJ4FY8DC0V3FD8A","modified_at":"2026-02-28T05:14:34.325504Z","published_at":"2026-02-25T22:05:09Z","references":["https://osv.dev/vulnerability/GHSA-vpcf-gvg4-6qwr","https://github.com/n8n-io/n8n/security/advisories/GHSA-v98v-ff95-f3cp","https://github.com/n8n-io/n8n/security/advisories/GHSA-vpcf-gvg4-6qwr","https://nvd.nist.gov/vuln/detail/CVE-2026-27577","https://github.com/n8n-io/n8n/commit/1479aab2d32fe0ee087f82b9038b1035c98be2f6","https://github.com/n8n-io/n8n/commit/9e5212ecbc5d2d4e6f340b636a5e84be6369882e","https://docs.n8n.io/hosting/securing/overview","https://github.com/n8n-io/n8n"],"severity":{"label":"critical","score":9.9},"sources":[{"source":"osv","source_id":"GHSA-vpcf-gvg4-6qwr","url":"https://osv.dev/vulnerability/GHSA-vpcf-gvg4-6qwr"}],"summary":"n8n: Expression Sandbox Escape Leads to RCE"}