{"id":13593,"date":"2026-09-04T19:00:51","date_gmt":"2026-09-04T11:00:51","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-56271"},"modified":"2026-09-04T19:00:51","modified_gmt":"2026-09-04T11:00:51","slug":"cve-2026-56271","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-56271","title":{"rendered":"CVE-2026-56271 [CRITICAL] &#8211; Flowise before 3.1.0 (affected versions 3.0.13 and earlier) uses weak hardcoded default JW"},"content":{"rendered":"<p>Flowise before 3.1.0 (affected versions 3.0.13 and earlier) uses weak hardcoded default JWT secrets (&#8216;auth_token&#8217;, &#8216;refresh_token&#8217;) and default audience and issuer values (&#8216;AUDIENCE&#8217;, &#8216;ISSUER&#8217;) 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.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Flowise before 3.1.0 (affected versions 3.0.13 and earlier) uses weak hardcoded default JWT secrets (&#8216;auth_token&#8217;, &#8216;refresh_token&#8217;) and default audience and issuer values (&#8216;AUDIENCE&#8217;, &#8216;ISSUER&#8217;) in the<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-13593","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/13593","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13593"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13593"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}