{"action":"Upgrade n8n to 1.123.8 or later.","affected":[{"fixed":"1.123.8","introduced":"0"},{"fixed":"2.2.0","introduced":"2.0.0"}],"component":"n8n","cve_ids":["CVE-2026-27498"],"ecosystem":"npm","epss":0.00816,"exploited":false,"fixed_versions":["1.123.8","2.2.0"],"ghsa_id":"GHSA-x2mw-7j39-93xq","id":"tcs_01M5KGGJE3MW00CEXHSJXXYPAH","modified_at":"2026-02-28T05:14:29.792841Z","published_at":"2026-02-25T21:54:19Z","references":["https://osv.dev/vulnerability/GHSA-x2mw-7j39-93xq","https://github.com/n8n-io/n8n/security/advisories/GHSA-x2mw-7j39-93xq","https://nvd.nist.gov/vuln/detail/CVE-2026-27498","https://github.com/n8n-io/n8n/commit/97365caf253978ba8e46d7bc53fa7ac3b6f67b32","https://github.com/n8n-io/n8n/commit/e22acaab3dcb2004e5fe0bf9ef2db975bde61866","https://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.8","https://github.com/n8n-io/n8n/releases/tag/n8n@2.2.0"],"severity":{"label":"high","score":8.5},"sources":[{"source":"osv","source_id":"GHSA-x2mw-7j39-93xq","url":"https://osv.dev/vulnerability/GHSA-x2mw-7j39-93xq"}],"summary":"n8n has Arbitrary Command Execution via File Write and Git Operations"}