{"id":79236,"date":"2026-06-03T14:46:19","date_gmt":"2026-06-03T11:16:19","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-47065-apache-mina-critical-deserialization-allow-list-bypass-via-resolveproxyclass-zdres-232\/"},"modified":"2026-06-03T14:46:19","modified_gmt":"2026-06-03T11:16:19","slug":"cve-2026-47065-apache-mina-critical-deserialization-allow-list-bypass-via-resolveproxyclass-zdres-232","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-47065-apache-mina-critical-deserialization-allow-list-bypass-via-resolveproxyclass-zdres-232\/","title":{"rendered":"CVE-2026-47065 &#8211; Apache MINA: Critical Deserialization Allow-list Bypass via resolveProxyClass &#8211; ZDRES-232"},"content":{"rendered":"<p>CVE ID :CVE-2026-47065<\/p>\n<p>  Published : June 3, 2026, 11:16 a.m. | 1\u00a0hour, 16\u00a0minutes ago<\/p>\n<p>  Description :ZDRES-232: resolveProxyClass Not Overridden &#8211; acceptMatchers Filter Bypass via java.lang.reflect.Proxy<\/p>\n<p>Assessment: Fully addressed.<\/p>\n<p>When the serialised stream contains a TC_PROXYCLASSDESC (the marker<br \/>\nfor a java.lang.reflect.Proxy ), JDK\u2019s ObjectInputStream.readProxyDesc()<br \/>\n is<br \/>\ndispatched. JDK then calls the default<br \/>\nObjectInputStream.resolveProxyClass(interfaces) implementation, which<br \/>\nperforms Class.forName(intf, false, latestUserDefinedLoader()) for EACH<br \/>\ninterface name and constructs the proxy class \u00e2\u20ac\u201d bypassing the accepted<br \/>\n classes list .<\/p>\n<p>ZDRES-233: Class.forName(name, initialize=true, classLoader) in<br \/>\nreadClassDescriptor Triggers Static Initialiser of Allow-Listed Classes<\/p>\n<p>Assessment: Fully addressed.<\/p>\n<p>For ANY class on the allow-list, deserialising a stream that names it triggers the class\u2019s<br \/>\n (static initialiser) BEFORE any instance is constructed. This means an<br \/>\nattacker who supplies a class name on the allow-list (e.g., the<br \/>\ndeveloper wrote accept(\u201ccom.myapp.*&#8221;) , attacker supplies<br \/>\ncom.myapp.SomeClass ) causes  of SomeClass \u00e2\u20ac\u201d and many<br \/>\nreal-world classes have side-effecting static initialisers<\/p>\n<p>Both issues have been fixed.<\/p>\n<p>  Severity: 9.8 | CRITICAL<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-47065 Published : June 3, 2026, 11:16 a.m. | 1\u00a0hour, 16\u00a0minutes ago Description :ZDRES-232: resolveProxyClass Not Overridden &#8211; acceptMatchers Filter Bypass via java.lang.reflect.Proxy Assessment: Fully addressed. When the serialised stream contains a TC_PROXYCLASSDESC (the marker for a java.lang.reflect.Proxy ), JDK\u2019s ObjectInputStream.readProxyDesc() is dispatched. JDK then calls the default ObjectInputStream.resolveProxyClass(interfaces) implementation, which performs Class.forName(intf, &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-79236","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/79236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=79236"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/79236\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=79236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=79236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=79236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}