Security Bulletin: IBM® Db2® federated server is affected by a vulnerability in fabric-sdk-java (CVE-2026-41586)

Summary IBM® Db2® federated server is affected by a vulnerability in fabric-sdk-java Vulnerability Details CVEID:CVE-2026-41586 DESCRIPTION: Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. From versions 1.0.0 to 2.2.26...

com.baoquan:verax-sdk (1.0.0), com.easypayx:easypay-blockchain-java-sdk (>=1.0.0, <=1.0.4) +21 more potentially affected by CVE-2026-41586 via org.hyperledger.fabric-sdk-java:fabric-sdk-java (>=1.0.1, <=2.2.26)

org.hyperledger.fabric-sdk-java:fabric-sdk-java MAVEN version =1.0.1, =1.0.0, =1.0.0-release, =1.0.0-release, =0.0.1, =1.0.0, =1.0.0, =1.0, =3.16.1, =1.2.0, =1.3.0, =0.10.1, =014.1 and more Source cves: CVE-2026-41586 Source advisory: SNYK:JAVA-ORGHYPERLEDGERFABRICSDKJAVA-16439197...

Deserialization of Untrusted Data

Overview org.hyperledger.fabric-sdk-java:fabric-sdk-java is a Java SDK for Hyperledger Fabric. Deprecated as of Fabric v2.5, replaced by org.hyperledger.fabric:fabric-gateway. Affected versions of this package are vulnerable to Deserialization of Untrusted Data through the deSerializeChannel...

CVE-2026-41586

CVE-2026-41586 affects Hyperledger Fabric’s deprecated fabric-sdk-java (Channel.java) where readObject() is invoked on untrusted bytes without an ObjectInputFilter, enabling Java deserialization RCE. Exploitation requires crafted serialized Channel data processed by deSerializeChannel(), with hig...

CVE-2026-41586 ObjectInputStream.readObject() without ObjectInputFilter in fabric-sdk-java allows Java deserialization RCE

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. From versions 1.0.0 to 2.2.26, Channel.java implements readObject and exposes deSerializeChannel which call ObjectInputStream.readObject on untrusted byte arrays without...

GHSA-PRF8-CF2X-RHX7 fabric-sdk-java has ObjectInputStream.readObject() without ObjectInputFilter, which allows Java deserialization RCE

Summary This advisory covers the deprecated fabric-sdk-java client SDK. Channel.java implements readObject and exposes deSerializeChannel which call ObjectInputStream.readObject on untrusted byte arrays without configuring an ObjectInputFilter. This is the classic Java deserialization RCE pattern...