BIT-HYPERLEDGER-FABRIC-TOOLS-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...

BIT-HYPERLEDGER-FABRIC-ORDERER-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...

Deserialization Of Untrusted Data

org.hyperledger.fabric-sdk-java, fabric-sdk-java is vulnerable to Deserialization of Untrusted Data. The vulnerability is due to Channel.java implementing readObject and exposing deSerializeChannel, which invoke ObjectInputStream.readObject on untrusted byte arrays without configuring an...

Security Bulletin: Upgrade javaenv:2.2 to address Gradle oauth authentication concerns.

Summary The version of Gradle shipped in the Fabric java chaincode environment image version 2.2. javaenv.2.2 depends on a vulnerable version of the google ouatth client. Vulnerability Details CVEID: CVE-2020-7692 DESCRIPTION: Google APIs google-oauth-java-client could allow a remote attacker to...