Security Bulletin: Insecure Deserialization Vulnerability in Mina Core Affects IBM Sterling B2B Integrator and IBM Sterling File Gateway (CVE-2026-47065)

Summary IBM Sterling B2B Integrator and IBM Sterling File Gateway have addressed the security vulnerability Vulnerability Details CVEID:CVE-2026-47065 DESCRIPTION: ZDRES-232: resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy Assessment: Fully addressed...

GHSA-V3PR-HXPR-MFM8 Apache MINA: Critical Deserialization Allow-list Bypass via resolveProxyClass

ZDRES-232: resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy Assessment: Fully addressed. When the serialised stream contains a TCPROXYCLASSDESC the marker for a java.lang.reflect.Proxy , JDK’s ObjectInputStream.readProxyDesc is dispatched. JDK then calls...

CVE-2026-47065

ZDRES-232: resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy Assessment: Fully addressed. When the serialised stream contains a TCPROXYCLASSDESC the marker for a java.lang.reflect.Proxy , JDK’s ObjectInputStream.readProxyDesc is dispatched. JDK then calls...

CVE-2026-47065

CVE-2026-47065 (Apache MINA context) describes two deserialization bypass issues: first, resolveProxyClass bypasses the accept/allow-list when JDK resolves proxy interfaces from a serialized proxy via ObjectInputStream.readProxyDesc(), and second, readClassDescriptor triggers static initializers ...

CVE-2026-47065 Apache MINA: Critical Deserialization Allow-list Bypass via resolveProxyClass - ZDRES-232

ZDRES-232: resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy Assessment: Fully addressed. When the serialised stream contains a TCPROXYCLASSDESC the marker for a java.lang.reflect.Proxy , JDK’s ObjectInputStream.readProxyDesc is dispatched. JDK then calls...

PT-2026-58992

ZDRES-232: resolveProxyClass Not Overridden - 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’s ObjectInputStream.readProxyDesc is dispatched. JDK then call...

CVE-2026-47065: Deserialization of Untrusted Data

ZDRES-232: resolveProxyClass Not Overridden - acceptMatchers Filter Bypass via java.lang.reflect.Proxy Assessment: Fully addressed. When the serialised stream contains a TCPROXYCLASSDESC the marker for a java.lang.reflect.Proxy , JDK’s ObjectInputStream.readProxyDesc is dispatched. JDK then calls...