hlf-time-oracle

hlf-time-oracle hlf-time-oracle es un chaincode para blockchain Hyperledger Fabric que proporciona hora precisa a otros chaincodes. hlf-time-oracle se basa en el paquete ntp y en el paquete nts. De esta manera se resuelve el problema de seguridad asociado con la posible manipulación del tiempo de...

HLF_TxTime_spoofing

HLFTxTimespoofing HLFTxTimespoofing —— 一个概念验证项目，涵盖了 Hyperledger Fabric 区块链中交易时间操纵的问题（使用 GetTxTimestamp 或 GetHistoryForKey）。已在 v2.5.5 和 v3.0.0-beta 版本上测试。 项目由以下几部分组成： 1. timeinsecure - 使用 GetTxTimestamp 计算存款利息的不安全链码变体 2. timesecurentp - 一个从 NTP（网络时间协议）服务器获取时间以防范攻击者在计算存款利息时进行时间欺骗的链码 3. timesecurent...

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...

Insertion of Sensitive Information into Log File

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information into Log File in the INFO level logging when chaincode is deployed in chaincode-as-a-service mode with TLS enabled. An attacker can obtain sensitive information TLS private key by accessing the server...

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...

CVE-2026-45581

CVE-2026-45581 affects fabric-chaincode-java (Hyperledger Fabric chaincode runtime). In versions 2.3.1 through 2.5.09, when deployed in chaincode-as-a-service mode with TLS enabled, the chaincode server’s INFO logs include the TLS private key password in plaintext, enabling an attacker with log a...

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...

CVE-2026-45581 fabric-chaincode-java: TLS Private Key Password Disclosed in INFO Startup Logs in Chaincode-as-a-Service Mode

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...

CVE-2026-45581 fabric-chaincode-java: TLS Private Key Password Disclosed in INFO Startup Logs in Chaincode-as-a-Service Mode

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...

CVE-2026-45581 fabric-chaincode-java: TLS Private Key Password Disclosed in INFO Startup Logs in Chaincode-as-a-Service Mode

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...

fabric-chaincode-java: TLS Private Key Password Disclosed in INFO Startup Logs in Chaincode-as-a-Service Mode

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 plaintext. An attacker with access to the chaincode server logs could recover the TLS private key password. If the attacker can also obtain...

GHSA-WG5X-3G47-V38R fabric-chaincode-java: TLS Private Key Password Disclosed in INFO Startup Logs in Chaincode-as-a-Service Mode

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 plaintext. An attacker with access to the chaincode server logs could recover the TLS private key password. If the attacker can also obtain...

PT-2026-41961

Name of the Vulnerable Software and Affected Versions fabric-chaincode-java versions 2.3.1 through 2.5.9 Description 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 plaintext. An attacker...

Hyperledger: Relative Path Traversal vulnerability in fabric-private-chaincode

Unsanitized input from os.Args3 : 75 CLI argument flows into os.OpenFile, where it is used as a path. This may result in a Path Traversal vulnerability and allow an attacker to open arbitrary files. The following steps of code lines with respective code confirm the issue: -...

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...