{"id":4886,"date":"2026-09-04T18:46:51","date_gmt":"2026-09-04T10:46:51","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-57817"},"modified":"2026-09-04T18:46:51","modified_gmt":"2026-09-04T10:46:51","slug":"cve-2026-57817","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-57817","title":{"rendered":"CVE-2026-57817 [HIGH] &#8211; The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the `c_hash`"},"content":{"rendered":"<p>The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the `c_hash` parameter when operating in the Hybrid Flow.\u00a0If an Apache CXF RP is integrated with a non-compliant or misconfigured Identity Provider (IdP) that omits the `c_hash`, the RP becomes vulnerable to Authorization Code Substitution\/Injection attacks.\u00a0Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the `c_hash` parameter when operating in the Hybrid Flow.\u00a0If an Apache CXF RP is integrated with a non-compliant or misconf<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-4886","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/4886","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=4886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}