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CVE-2026-40069— bsv-sdk ARC broadcaster treats INVALID/MALFORMED/ORPHAN responses as successful broadcasts

CVSS 7.5 · High EPSS 0.04% · P12
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I. Basic Information for CVE-2026-40069

Vulnerability Information
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Vulnerability Title
bsv-sdk ARC broadcaster treats INVALID/MALFORMED/ORPHAN responses as successful broadcasts
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对因果或异常条件的不恰当检查
Source: NVD (National Vulnerability Database)
Vulnerability Title
BSV Ruby SDK 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BSV Ruby SDK是Simon Bettison个人开发者的一个BSV区块链的Ruby开发工具包。 BSV Ruby SDK 0.1.0至0.8.2之前版本存在代码问题漏洞，该漏洞源于失败检测逻辑不完整，可能导致应用程序信任网络从未接受的交易。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
sgbettbsv-ruby-sdk >= 0.1.0, < 0.8.2 -

II. Public POCs for CVE-2026-40069

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8887 chars
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III. Intelligence Information for CVE-2026-40069

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IV. Related Vulnerabilities

Same product: bsv-ruby-sdk
Same vendor: sgbett
Same weakness: CWE-754

V. Comments for CVE-2026-40069

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