{"id":"EUVD-2026-43228","revision":"ef578366ccc84c51bc3793b4e9cbf445","records":[{"revision":"ef578366ccc84c51bc3793b4e9cbf445","observedAt":"2026-11-01T10:13:49.055+00:00","statement":{"source":"euvd","id":"EUVD-2026-43228","aliases":["CVE-2026-56271","GHSA-jpvq-qwhh-pw47"],"title":"Flowise before 3.1.0 (affected versions 3.0.13 and earlier) uses weak hardcoded default JWT secrets ('auth_token', 'refresh_token') and default audience and issuer values ('AUDIENCE', 'ISSUER') in the enterprise passport authentication midd…","description":"Flowise before 3.1.0 (affected versions 3.0.13 and earlier) uses weak hardcoded default JWT secrets ('auth_token', 'refresh_token') and default audience and issuer values ('AUDIENCE', 'ISSUER') in the enterprise passport authentication middleware (packages/server/src/enterprise/middleware/passport/index.ts). When the corresponding environment variables (JWT_AUTH_TOKEN_SECRET, JWT_REFRESH_TOKEN_SECRET, JWT_AUDIENCE, JWT_ISSUER) are not set, the application silently falls back to these publicly known defaults, allowing an attacker to forge valid JWTs and impersonate any user, including administrators, resulting in authentication bypass.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3,"severity":null}],"references":["https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-cc4f-hjpj-g9p8","https://www.vulncheck.com/advisories/flowise-weak-default-jwt-secrets-in-authentication-middleware"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-43228","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 12, 2026, 12:06:32 PM","dateUpdated":"Jul 13, 2026, 3:41:09 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-2026-43228","identifiers":["EUVD-2026-43228","CVE-2026-56271","GHSA-jpvq-qwhh-pw47"]},"retained":false,"historicalAffected":[]}],"coverage":[]}