EUVD-2026-20996

bsv-sdk and bsv-wallet persist unverified certifier signatures in acquirecertificate direct and issuance paths...

GHSA-HC36-C89J-5F4J bsv-sdk and bsv-wallet persist unverified certifier signatures in acquire_certificate (direct and issuance paths)

Unverified certifier signatures persisted by acquirecertificate Affected packages Both bsv-sdk and bsv-wallet are published from the sgbett/bsv-ruby-sdk repository. The vulnerable code lives in lib/bsv/walletinterface/walletclient.rb, which is physically shipped inside both gems the...

bsv-sdk and bsv-wallet persist unverified certifier signatures in acquire_certificate (direct and issuance paths)

Unverified certifier signatures persisted by acquirecertificate Affected packages Both bsv-sdk and bsv-wallet are published from the sgbett/bsv-ruby-sdk repository. The vulnerable code lives in lib/bsv/walletinterface/walletclient.rb, which is physically shipped inside both gems the...

Improper Verification of Cryptographic Signature

Overview bsv-wallet is an Implements the BRC-100 standard wallet-to-application interface for the BSV Blockchain. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the acquirecertificate function. An attacker can persist forged certificate...

Improper Verification of Cryptographic Signature

Overview bsv-sdk is an A Ruby library for interacting with the BSV Blockchain — keys, scripts, transactions, and more. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the acquirecertificate function. An attacker can persist forged certificat...

CVE-2026-40070

BSV Ruby SDK is the Ruby SDK for the BSV blockchain. From 0.3.1 to before 0.8.2, BSV::Wallet::WalletClientacquirecertificate persists certificate records to storage without verifying the certifier's signature over the certificate contents. In acquisitionprotocol: 'direct', the caller supplies all...

CVE-2026-40070

The CVE-2026-40070 entry affects the BSV Ruby SDK (0.3.1–before 0.8.2). The vulnerability is in BSV::Wallet::WalletClient#acquire_certificate, which persists certificate records to storage without verifying the certifier’s signature in both acquisition_protocol paths: direct (caller-supplied fiel...

bsv-sdk and bsv-wallet persist unverified certifier signatures in acquire_certificate (direct and issuance paths)

Unverified certifier signatures persisted by acquirecertificate Affected packages Both bsv-sdk and bsv-wallet are published from the sgbett/bsv-ruby-sdk repository. The vulnerable code lives in lib/bsv/walletinterface/walletclient.rb, which is physically shipped inside both gems the...