{"action":"Upgrade bsv-wallet to 0.3.4 or later.","affected":[{"fixed":"0.3.4","introduced":"0.1.2"}],"component":"bsv-wallet","cve_ids":["CVE-2026-40070"],"ecosystem":"RubyGems","epss":0.00138,"exploited":false,"fixed_versions":["0.3.4"],"ghsa_id":"GHSA-hc36-c89j-5f4j","id":"tcs_01M5KEKK1VASSZE8GNGG2YRXMK","modified_at":"2026-05-13T16:38:48.044722Z","published_at":"2026-04-09T20:28:10Z","references":["https://osv.dev/vulnerability/GHSA-hc36-c89j-5f4j","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","https://github.com/sgbett/bsv-ruby-sdk/pull/306","https://github.com/sgbett/bsv-ruby-sdk/commit/4992e8a265fd914a7eeb0405c69d1ff0122a84cc","https://brc.dev/52","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/bsv-sdk/CVE-2026-40070.yml","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/bsv-wallet/CVE-2026-40070.yml","https://github.com/sgbett/bsv-ruby-sdk"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GHSA-hc36-c89j-5f4j#RubyGems/bsv-wallet","url":"https://osv.dev/vulnerability/GHSA-hc36-c89j-5f4j"}],"summary":"bsv-sdk and bsv-wallet persist unverified certifier signatures in acquire_certificate (direct and issuance paths)"}