{"action":"Upgrade n8n to 1.123.76 or later.","affected":[{"fixed":"1.123.76","introduced":"0"},{"fixed":"2.38.2","introduced":"2.38.0"},{"fixed":"2.37.7","introduced":"2.0.0"}],"component":"n8n","cve_ids":["CVE-2026-86076"],"ecosystem":"npm","epss":0.00793,"exploited":false,"fixed_versions":["1.123.76","2.38.2","2.37.7"],"ghsa_id":"GHSA-hw8v-xxg5-vvvx","id":"tcs_01M5KFW82KFRVWAGZXJQMDS09J","modified_at":"2026-09-10T15:15:05.012966204Z","published_at":"2026-09-10T15:11:07Z","references":["https://osv.dev/vulnerability/GHSA-hw8v-xxg5-vvvx","https://github.com/n8n-io/n8n/security/advisories/GHSA-hw8v-xxg5-vvvx","https://nvd.nist.gov/vuln/detail/CVE-2026-86076","https://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.76","https://github.com/n8n-io/n8n/releases/tag/n8n@2.37.7","https://github.com/n8n-io/n8n/releases/tag/n8n@2.38.2"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-hw8v-xxg5-vvvx","url":"https://osv.dev/vulnerability/GHSA-hw8v-xxg5-vvvx"}],"summary":"n8n: Expression Sandbox Escape via Class-Field Sanitizer Rebinding Can Lead to Code Execution"}