CVE-2026-56744
NVD: @bsv/wallet-toolbox provides BRC-100 wallet signing and storage components, while @bsv/wallet-toolbox-client and @bsv/wallet-toolbox-mobile provide client-focused distributions for standard and mobile applications using wallet storage services. NVD: A vulnerability in these packages causes transactions created through a remote StorageClient to trust output locking scripts returned by the storage provider without verifying that they match the outputs requested by the caller. NVD: A malicious or compromised storage provider can substitute a recipient script or inject an additional output, causing the wallet to sign and broadcast a transaction that redirects funds while the application and user interface continue to display the intended...
8.7 Severity
HIGH EPSS
0.0030 (21) KEV
-
Source-published summary
NVD: @bsv/wallet-toolbox provides BRC-100 wallet signing and storage components, while @bsv/wallet-toolbox-client and @bsv/wallet-toolbox-mobile provide client-focused distributions for standard and mobile applications using wallet storage services. NVD: A vulnerability in these packages causes transactions created through a remote StorageClient to trust output locking scripts returned by the storage provider without verifying that they match the outputs requested by the caller. NVD: A malicious or compromised storage provider can substitute a recipient script or inject an additional output, causing the wallet to sign and broadcast a transaction that redirects funds while the application and user interface continue to display the intended...
Possible impact
This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review.
Affected context
Affected product or version requires source confirmation.
Remediation / advisory
Patch confirmed by source text; fixed version context: 2.4.0..
Why it matters
This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for high severity review.; CVSS 8.7 (HIGH); EPSS percentile 21; not listed in KEV; Patch confirmed by source text; fixed version context: 2.4.0; sources: NVD, OSV.
What to verify
Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.
Exposure hint
exposure unknown
Impact tags
Urgency reasons
Source-derived note
Summary derived from NVD / OSV description; unsafe procedural detail is not shown.
Redaction metadata
- source summary used
- True
- fallback summary used
- False
- unsafe procedural detail present
- false
- raw source displayed
- false
- public summary redacted
- true
Remediation handoff
Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.
Safety note
This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.