Is bsv-sdk affected by CVE-2026-40070?

RubyGems bsv-sdk is affected in >=0.3.1 <0.8.2.

Is CVE-2026-40070 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.1%.

high

CVE-2026-40070

Q: Is CVE-2026-40070 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.1%.

RubyGems · bsv-sdk • RubyGems · bsv-wallet

Summary

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

Severity: high
EPSS: 0.1% (p3)
Also known as: GHSA-hc36-c89j-5f4j#bsv-sdk, GHSA-hc36-c89j-5f4j#bsv-wallet
Published: 2026-04-09

References

https://github.com/sgbett/bsv-ruby-sdk/security/advisories/GHSA-hc36-c89j-5f4j
https://nvd.nist.gov/vuln/detail/CVE-2026-40070
https://github.com/sgbett/bsv-ruby-sdk/issues/305

Related advisories

CVE-2026-40069 — high · RubyGems/bsv-sdk

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.