CVE-2026-45581
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk1th percentile - higher than 1% of all known CVEs
Summary
In the fabric-chaincode-java library (Hyperledger Fabric chaincode shim API) from version 2.3.1 to before 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 plaintext. An attacker with log access could recover the password and, if also obtaining the private key, impersonate the chaincode server.
Risk Assessment
The risk is exposure of the TLS private key password, which could allow an attacker to impersonate the chaincode server and compromise communication integrity.
Recommendation
Update fabric-chaincode-java to version 2.5.10 or later and secure logs against unauthorized access.
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Original NVD description (English source)
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 plaintext. An attacker with access to the chaincode server logs could recover the TLS private key password. If the attacker can also obtain the TLS private key, they could impersonate the chaincode server. This issue has been patched in version 2.5.10.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

