bsv-sdk ARC broadcaster treats INVALID/MALFORMED/ORPHAN responses as successful broadcasts

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0027, the 18th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 9 Apr 2026. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-9hfr-gw99-8rhx
• OSV: GHSA-9hfr-gw99-8rhx
• github.com/sgbett/bsv-ruby-sdk/security/advisories/GHSA-9hfr-gw99-8rhx
• nvd.nist.gov/vuln/detail/CVE-2026-40069
• github.com/sgbett/bsv-ruby-sdk/issues/305
• github.com/sgbett/bsv-ruby-sdk/pull/306
• github.com/sgbett/bsv-ruby-sdk/commit/4992e8a265fd914a7eeb0405c69d1ff0122a84cc
• github.com/rubysec/ruby-advisory-db/blob/master/gems/bsv-sdk/CVE-2026-40069.yml
• github.com/sgbett/bsv-ruby-sdk
• github.com/sgbett/bsv-ruby-sdk/releases/tag/v0.8.2

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.