VDB-356643 · CVE-2026-40069 · GCVE-0-2026-40069

sgbett bsv-ruby-sdk up to 0.8.1 Transaction BSV::Network txStatus unusual condition

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6.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in sgbett bsv-ruby-sdk up to 0.8.1. It has been rated as problematic. Affected by this issue is the function BSV::Network of the component Transaction Handler. Performing a manipulation of the argument txStatus results in unusual condition. This vulnerability was named CVE-2026-40069. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in sgbett bsv-ruby-sdk up to 0.8.1. This affects the function BSV::Network of the component Transaction Handler. The manipulation of the argument txStatus with an unknown input leads to a unusual condition vulnerability. CWE is classifying the issue as CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. This is going to have an impact on integrity. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-40069 since 04/09/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.8.2 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Programming Language Software

Vendor

sgbett

Name

bsv-ruby-sdk

Version

Website

Product: https://github.com/sgbett/bsv-ruby-sdk/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: bsv-ruby-sdk 0.8.2

Timelineinfo

04/09/2026 Advisory disclosed
04/09/2026 +0 days CVE reserved
04/09/2026 +0 days VulDB entry created
04/09/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-40069 (🔒)
GCVE (CVE): GCVE-0-2026-40069
GCVE (VulDB): GCVE-100-356643

Entryinfo

Created: 04/09/2026 19:59
Changes: 04/09/2026 19:59 (66)
Complete: 🔍
Cache ID: 216::103