BIT-HYPERLEDGER-FABRIC-PEER-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...

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...