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CVE-2026-40069

HIGH

7.5

Description

BSV Ruby SDK is the Ruby SDK for the BSV blockchain. From 0.1.0 to before 0.8.2, BSV::Network::ARC's failure detection only recognises REJECTED and DOUBLE_SPEND_ATTEMPTED. ARC responses with txStatus values of INVALID, MALFORMED, MINED_IN_STALE_BLOCK, or any ORPHAN-containing extraInfo / txStatus are silently treated as successful broadcasts. Applications that gate actions on broadcaster success are tricked into trusting transactions that were never accepted by the network. This vulnerability is fixed in 0.8.2.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/9/2026

Last Modified4/13/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-754

References

https://github.com/sgbett/bsv-ruby-sdk/commit/4992e8a265fd914a7eeb0405c69d1ff0122a84cc(security-advisories@github.com)

https://github.com/sgbett/bsv-ruby-sdk/issues/305(security-advisories@github.com)

https://github.com/sgbett/bsv-ruby-sdk/pull/306(security-advisories@github.com)

https://github.com/sgbett/bsv-ruby-sdk/releases/tag/v0.8.2(security-advisories@github.com)

https://github.com/sgbett/bsv-ruby-sdk/security/advisories/GHSA-9hfr-gw99-8rhx(security-advisories@github.com)

IOC Correlations

No correlations recorded

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