{"id":"EUVD-2026-42262","revision":"856e5ef08a9e48ccbedb776c2eab7bb3","records":[{"revision":"856e5ef08a9e48ccbedb776c2eab7bb3","observedAt":"2026-11-03T11:09:18.841+00:00","statement":{"source":"euvd","id":"EUVD-2026-42262","aliases":["CVE-2026-56775","GHSA-w79j-mf7m-gfpm"],"title":"n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization vulnerability in three mutating evaluation test-run endpoints that authorize state-changing actions using the workflow:read scope instead of the action-appropriate workflow:e…","description":"n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization vulnerability in three mutating evaluation test-run endpoints that authorize state-changing actions using the workflow:read scope instead of the action-appropriate workflow:execute scope. On instances using Advanced Permissions (Enterprise/Cloud) with projects and viewer roles, an authenticated user with the project:viewer role can start new evaluation test runs, cancel in-flight runs, and delete run records for workflows they only have read access to.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","score":5.3,"severity":null}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-664h-gpgq-h6xx","https://www.vulncheck.com/advisories/n8n-incorrect-oauth-scope-validation-in-evaluation-test-runs-endpoints"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-42262","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 8, 2026, 1:49:06 PM","dateUpdated":"Oct 29, 2026, 9:15:58 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-42262","identifiers":["EUVD-2026-42262","CVE-2026-56775","GHSA-w79j-mf7m-gfpm"]},"retained":false,"historicalAffected":[]}],"coverage":[]}