CVE-2026-40070 | sgbett bsv-ruby-sdk/bsv-sdk/bsv-wallet prior 0.8.2 WalletClient signature verification

A vulnerability was found in sgbett bsv-ruby-sdk, bsv-sdk and bsv-wallet. It has been rated as critical. Affected by this issue is the function BSV::Wallet::WalletClient. Performing a manipulation results in improper verification of cryptographic signature.

This vulnerability was named CVE-2026-40070. The attack may be initiated remotely. There is no available exploit.

Upgrading the affected component is advised.