{"id":29995,"date":"2026-09-27T20:31:13","date_gmt":"2026-09-27T12:31:13","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89134"},"modified":"2026-09-27T20:31:13","modified_gmt":"2026-09-27T12:31:13","slug":"cve-2026-89134","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89134","title":{"rendered":"CVE-2026-89134 &#8211; A certificate with no dNSName SAN but another SAN type present (e.g. registeredID or iPAdd"},"content":{"rendered":"<p>A certificate with no dNSName SAN but another SAN type present (e.g. registeredID or iPAddress) bypassed the Subject CN dNSName name-constraint check. The CN-as-DNS fallback was gated on cert-&gt;subjectCN != NULL &amp;&amp; cert-&gt;altNames == NULL &amp;&amp; !cert-&gt;isCA instead of &#8220;no dNSName SAN&#8221;, so an out-of-scope CN was accepted. This incomplete fix from CVE-2026-6731, leading to the name-constraint check issue, was introduced in wolfSSL version 5.9.2.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A certificate with no dNSName SAN but another SAN type present (e.g. registeredID or iPAddress) bypassed the Subject CN dNSName name-constraint check. The CN-as-DNS fallback was gated on cert-&gt;subject<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-29995","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/29995","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=29995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}