{"id":"CVE-2026-47065","state":"PUBLISHED","title":"Apache MINA: Critical Deserialization Allow-list Bypass via resolveProxyClass - ZDRES-232","description":"ZDRES-232: resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy\n\n\nAssessment: Fully addressed.\n\n\nWhen the serialised stream contains a TC_PROXYCLASSDESC (the marker \nfor a java.lang.reflect.Proxy ), JDK’s ObjectInputStream.readProxyDesc()\n is\ndispatched. JDK then calls the default \nObjectInputStream.resolveProxyClass(interfaces) implementation, which \nperforms Class.forName(intf, false, latestUserDefinedLoader()) for EACH \ninterface name and constructs the proxy class — bypassing the accepted\n classes list .\n\n\nZDRES-233: Class.forName(name, initialize=true, classLoader) in \nreadClassDescriptor Triggers Static Initialiser of Allow-Listed Classes\n\n\nAssessment: Fully addressed.\n\n\nFor ANY class on the allow-list, deserialising a stream that names it triggers the class’s \n (static initialiser) BEFORE any instance is constructed. This means an \nattacker who supplies a class name on the allow-list (e.g., the \ndeveloper wrote accept(“com.myapp.*\") , attacker supplies \ncom.myapp.SomeClass ) causes <clinit> of SomeClass — and many \nreal-world classes have side-effecting static initialisers\n\n\nBoth issues have been fixed.","publishedAt":"2026-06-03T09:39:41.629Z","updatedAt":"2026-06-04T03:55:48.440Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"apache"},"assigner":"apache","products":["Apache Software Foundation Apache MINA"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache MINA","packageName":"org.apache.mina:mina-core","defaultStatus":"unaffected","versions":[{"version":"2.2.0","status":"affected","lessThan":"2.2.8","versionType":"semver"},{"version":"2.1.0","status":"affected","lessThan":"2.1.13","versionType":"semver"},{"version":"2.0.0","status":"affected","lessThan":"2.0.29","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2/org/apache/mina"}],"references":["https://lists.apache.org/thread/y7xj1bl8qo47p9bktb11hg5v6k1d4dyj"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/47xxx/CVE-2026-47065.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47065","state":"PUBLISHED","datePublished":"2026-06-03T09:39:41.629Z","dateUpdated":"2026-06-04T03:55:48.440Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-05-18T16:53:39.555Z"},"containers":{"cna":{"title":"Apache MINA: Critical Deserialization Allow-list Bypass via resolveProxyClass - ZDRES-232","descriptions":[{"lang":"en","value":"ZDRES-232: resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy\n\n\nAssessment: Fully addressed.\n\n\nWhen the serialised stream contains a TC_PROXYCLASSDESC (the marker \nfor a java.lang.reflect.Proxy ), JDK’s ObjectInputStream.readProxyDesc()\n is\ndispatched. JDK then calls the default \nObjectInputStream.resolveProxyClass(interfaces) implementation, which \nperforms Class.forName(intf, false, latestUserDefinedLoader()) for EACH \ninterface name and constructs the proxy class — bypassing the accepted\n classes list .\n\n\nZDRES-233: Class.forName(name, initialize=true, classLoader) in \nreadClassDescriptor Triggers Static Initialiser of Allow-Listed Classes\n\n\nAssessment: Fully addressed.\n\n\nFor ANY class on the allow-list, deserialising a stream that names it triggers the class’s \n (static initialiser) BEFORE any instance is constructed. This means an \nattacker who supplies a class name on the allow-list (e.g., the \ndeveloper wrote accept(“com.myapp.*\") , attacker supplies \ncom.myapp.SomeClass ) causes <clinit> of SomeClass — and many \nreal-world classes have side-effecting static initialisers\n\n\nBoth issues have been fixed."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache MINA","packageName":"org.apache.mina:mina-core","defaultStatus":"unaffected","versions":[{"version":"2.2.0","status":"affected","lessThan":"2.2.8","versionType":"semver"},{"version":"2.1.0","status":"affected","lessThan":"2.1.13","versionType":"semver"},{"version":"2.0.0","status":"affected","lessThan":"2.0.29","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2/org/apache/mina"}],"references":[{"url":"https://lists.apache.org/thread/y7xj1bl8qo47p9bktb11hg5v6k1d4dyj","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-06-03T22:28:41.093Z"},"credits":[{"lang":"en","type":"reporter","value":"Venkatraman Kumar, SecureIn"},{"lang":"en","type":"finder","value":"keda (GitHub: @yuui25)"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-03T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-47065"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-04T03:55:48.440Z"}}]}}}