CVE-2026-41586

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...

EUVD-2026-28316

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...

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...

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...

PT-2026-37132

Name of the Vulnerable Software and Affected Versions Hyperledger Fabric versions 1.0.0 through 2.2.26 Description In the deprecated fabric-sdk-java client SDK, the Channel.java file implements readObject and exposes the deSerializeChannel function, both of which call ObjectInputStream.readObject...