{"action":"Upgrade n8n to 1.123.55 or later.","affected":[{"fixed":"1.123.55","introduced":"0"},{"fixed":"2.26.2","introduced":"2.26.0"},{"fixed":"2.25.7","introduced":"2.0.0-rc.0"}],"component":"n8n","cve_ids":["CVE-2026-56775"],"ecosystem":"npm","epss":0.00302,"exploited":false,"fixed_versions":["1.123.55","2.26.2","2.25.7"],"ghsa_id":"GHSA-664h-gpgq-h6xx","id":"tcs_01M5KF5WV9SCZNVN9QFXGTM7RF","modified_at":"2026-07-09T04:11:38.324938832Z","published_at":"2026-06-17T13:55:59Z","references":["https://osv.dev/vulnerability/GHSA-664h-gpgq-h6xx","https://github.com/n8n-io/n8n/security/advisories/GHSA-664h-gpgq-h6xx","https://github.com/n8n-io/n8n"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-664h-gpgq-h6xx","url":"https://osv.dev/vulnerability/GHSA-664h-gpgq-h6xx"}],"summary":"n8n: Wrong OAuth Scope on Evaluation Test Runs Endpoints"}