CVE-2026-40070
high
CVSS v3
—
CVSS v4 NEW
—
VIR risk
8.0
Description
bsv-sdk and bsv-wallet persist unverified certifier signatures in acquire_certificate (direct and issuance paths)
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | bsv-wallet | !< 0.1.2||<>= 0.3.4 | >= 0.3.4 |
| RubyGems | bsv-sdk | !< 0.3.1||<>= 0.8.2 | >= 0.8.2 |
| RubyGems | bsv-sdk | >=0.3.1,<0.8.2 | 0.8.2 |
| RubyGems | bsv-wallet | >=0.1.2,<0.3.4 | 0.3.4 |
| RUBYGEMS | bsv-wallet | >= 0.1.2, < 0.3.4 | 0.3.4 |
| RUBYGEMS | bsv-sdk | >= 0.3.1, < 0.8.2 | 0.8.2 |
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
- 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
- https://github.com/advisories/GHSA-hc36-c89j-5f4j
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.