HLF_TxTime_spoofing

HLFTxTimespoofing HLFTxTimespoofing - a PoC covering the problem of transaction time manipulation using GetTxTimestamp or GetHistoryForKey in the Hyperledger Fabric blockchain. Tested on v 2.5.5 and v3.0.0-beta The project consists of several parts: 1. timeinsecure - vulnerable chaincode variant...

hlf-time-oracle

hlf-time-oracle hlf-time-oracle è un chaincode per la blockchain Hyperledger Fabric che fornisce l'ora esatta ad altri chaincode. hlf-time-oracle si basa sul pacchetto ntp e sul pacchetto nts. Risolve così il problema di sicurezza associato alla possibile manipolazione del tempo di transazione da...

CVE-2026-53658

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters...

CVE-2026-53658 Fabric CA: LDAP Injection via Unescaped Username in GetUser Filter

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters...

EUVD-2026-78835

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters...

CVE-2026-53658

CVE-2026-53658 affects Hyperledger Fabric CA prior to version 1.5.21 . When configured with an LDAP backend , the function Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters . An ...

CVE-2026-53658 Fabric CA: LDAP Injection via Unescaped Username in GetUser Filter

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters...

CVE-2026-53658 Fabric CA: LDAP Injection via Unescaped Username in GetUser Filter

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters...

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...

GO-2026-6234 LDAP injection via unescaped username in github.com/hyperledger/fabric-ca

LDAP injection via unescaped username in github.com/hyperledger/fabric-ca...

PT-2026-80454

LDAP injection via unescaped username in github.com/hyperledger/fabric-ca...

CVE-2026-45581

fabric-chaincode-java is a Java based implementation of Hyperledger Fabric chaincode shim APIs. From version 2.3.1 to before version 2.5.10, when chaincode is deployed in chaincode-as-a-service mode with TLS enabled, the chaincode server INFO level logging includes the TLS private key password in...

EUVD-2026-35139

fabric-chaincode-java is a Java based implementation of Hyperledger Fabric chaincode shim APIs. From version 2.3.1 to before version 2.5.10, when chaincode is deployed in chaincode-as-a-service mode with TLS enabled, the chaincode server INFO level logging includes the TLS private key password in...

Hyperledger Fabric Chaincode Java 日志信息泄露漏洞

Hyperledger Fabric Chaincode Java is an open-source Java-based smart contract development framework developed by the Hyperledger project. In versions 2.3.1 to 2.5.10 of Hyperledger Fabric Chaincode Java, there was a vulnerability involving log information leakage. This vulnerability occurred when...

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...

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...

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...

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...

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...

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...