{"id":14428,"date":"2026-09-04T19:01:27","date_gmt":"2026-09-04T11:01:27","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-45363"},"modified":"2026-09-04T19:01:27","modified_gmt":"2026-09-04T11:01:27","slug":"cve-2026-45363","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-45363","title":{"rendered":"CVE-2026-45363 [CRITICAL] &#8211; ruby-jwt is a Ruby implementation of the RFC 7519 OAuth JSON Web Token standard. Prior to"},"content":{"rendered":"<p>ruby-jwt is a Ruby implementation of the RFC 7519 OAuth JSON Web Token standard. Prior to 2.10.3 and 3.2.0, JWT.decode(token, &#8221;, true, algorithm: &#8216;HS256&#8217;) accepts an attacker-forged token because OpenSSL::HMAC.digest(&#8216;SHA256&#8217;, &#8221;, payload) returns a valid digest under an empty key and no empty-key precondition exists in the HMAC algorithm. The same path is reached when a keyfinder block or key_finder: argument returns an empty string, nil, or an array containing nil for an unknown key, affecting HS256, HS384, and HS512 verification through JWT.decode and JWT::EncodedToken#verify_signature!. This issue is fixed in versions 2.10.3 and 3.2.0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ruby-jwt is a Ruby implementation of the RFC 7519 OAuth JSON Web Token standard. Prior to 2.10.3 and 3.2.0, JWT.decode(token, &#8221;, true, algorithm: &#8216;HS256&#8217;) accepts an attacker-forged token because Ope<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14428","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14428","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=14428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}