Vulnerability in Sgbett Bsv-ruby-sdk
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::WalletClient#acquire_certificate persists certificate records to storage without verifying the certifier's signature over the certificate content…
EPSS: 0.000 (1.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Sgbett Bsv-ruby-sdk — versions >= 0.3.1, < 0.8.2
- Sgbett Bsv-sdk — versions >= 0.3.1, < 0.8.2
- Sgbett Bsv-wallet — versions >= 0.1.2, < 0.3.4
Weakness classification (CWE)
References
- https://github.com/sgbett/bsv-ruby-sdk/security/advisories/GHSA-hc36-c89j-5f4j (x_refsource_CONFIRM)
- https://github.com/sgbett/bsv-ruby-sdk/issues/305 (x_refsource_MISC)
- https://github.com/sgbett/bsv-ruby-sdk/pull/306 (x_refsource_MISC)
- https://github.com/sgbett/bsv-ruby-sdk/commit/4992e8a265fd914a7eeb0405c69d1ff0122a84cc (x_refsource_MISC)
- https://brc.dev/52 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-40070?
- CVE-2026-40070 is a high-severity vulnerability in Sgbett Bsv-ruby-sdk, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.1/10. Published 2026-04-09.
- How severe is CVE-2026-40070?
- High severity. CVSS v3 base score is 8.1 out of 10.