{"action":"Upgrade n8n to 2.25.7 or later.","affected":[{"fixed":"2.26.2","introduced":"2.26.0"},{"fixed":"2.25.7","introduced":"0"}],"component":"n8n","cve_ids":["CVE-2026-56777"],"ecosystem":"npm","epss":0.00326,"exploited":false,"fixed_versions":["2.26.2","2.25.7"],"ghsa_id":"GHSA-jwm3-qcfw-c5pp","id":"tcs_01M5KFZ3BKT11B3M5K1PVC5HHD","modified_at":"2026-07-08T08:27:03.875491531Z","published_at":"2026-06-16T22:39:46Z","references":["https://osv.dev/vulnerability/GHSA-jwm3-qcfw-c5pp","https://github.com/n8n-io/n8n/security/advisories/GHSA-jwm3-qcfw-c5pp","https://github.com/n8n-io/n8n"],"severity":{"label":"medium","score":5},"sources":[{"source":"osv","source_id":"GHSA-jwm3-qcfw-c5pp","url":"https://osv.dev/vulnerability/GHSA-jwm3-qcfw-c5pp"}],"summary":"n8n: Python Code Node AST Validator Bypass"}